{"id":9214,"date":"2018-02-09T11:50:08","date_gmt":"2018-02-09T06:20:08","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/?p=9214"},"modified":"2018-10-08T11:54:51","modified_gmt":"2018-10-08T06:24:51","slug":"electricity-class-10-notes-science","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/","title":{"rendered":"Electricity class 10 Notes Science"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#CBSE_Guide_Electricity_class_10_Notes\" >CBSE Guide Electricity class 10 Notes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Class_10_Science_notes_Chapter_12_Electricity\" >Class 10 Science notes Chapter 12 Electricity<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#CBSE_Class_10_Science_Revision_Notes_Chapter_12_Electricity\" >CBSE Class 10 Science Revision Notes Chapter 12 Electricity<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Current_I\" >Current (I)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#OHMs_LAW\" >OHM&#8217;s LAW<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Factors_on_Which_Resistance_of_a_Conductor_Depends\" >Factors on Which Resistance of a Conductor Depends<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Resistivity_of_a_Material_varies_with_Temperature\" >Resistivity of a Material varies with Temperature<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Resistance_in_Series_Maximum_Effective_Resistance\" >Resistance in Series (Maximum Effective Resistance)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Resistance_in_Parallel_Minimum_Effective_Resistance\" >Resistance in Parallel (Minimum Effective Resistance)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Disadvantage_of_Series_Connection_in_an_Electric_Circuit\" >Disadvantage of Series Connection in an Electric Circuit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Hence_to_overcome_this_problem_we_generally_use_parallel_circuit\" >Hence, to overcome this problem we generally use parallel circuit.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Mathematical_Expression\" >Mathematical Expression<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#The_law_stated_that_the_heat_produced_in_a_resistor_is\" >The law stated that the heat produced in a resistor is :<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Application_of_Heating_Effect_of_Electric_Current\" >Application of Heating Effect of Electric Current<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#Electricity_class_10_Notes\" >Electricity class 10 Notes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/#CBSE_Class_10_Revision_Notes_and_Key_Points\" >CBSE Class 10 Revision Notes and Key Points<\/a><\/li><\/ul><\/nav><\/div>\n<p>CBSE class 10 Science Chapter 12 Electricity notes in PDF are available for free download in myCBSEguide mobile app. The best app for CBSE students now provides Electricity class 10 Notes latest chapter wise notes for quick preparation of CBSE board exams and school based annual examinations. Class 10 Science notes on Chapter 12 Electricity are also available for download in CBSE Guide website.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_Guide_Electricity_class_10_Notes\"><\/span>CBSE Guide Electricity class 10 Notes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>CBSE guide notes are the comprehensive notes which covers the latest syllabus of CBSE and NCERT. It includes all the topics given in NCERT class 10 Science text book. Users can download CBSE guide quick revision notes from myCBSEguide mobile app and my CBSE guide website.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Class_10_Science_notes_Chapter_12_Electricity\"><\/span>Class 10 Science notes Chapter 12 Electricity<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Download CBSE class 10th revision notes for Chapter 12 Electricity in PDF format for free. Download revision notes for Electricity class 10 Notes and score high in exams. These are the Electricity class 10 Notes prepared by team of expert teachers. The revision notes help you revise the whole chapter in minutes. Revising notes in exam days is on of the best tips recommended by teachers during exam days.<\/p>\n<p style=\"text-align: center;\"><strong>Revision Notes for Class 10 Science\u00a0<a class=\"button\" href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-10-science\/1176\/\">Download as PDF<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_Class_10_Science_Revision_Notes_Chapter_12_Electricity\"><\/span><strong>CBSE Class 10 Science Revision Notes Chapter 12 Electricity<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In the recent times,life would be impossible without electricity. From lighting our homes, charging our devices, electricity has become an integral part of our day-to-day live. So it becomes necessary to understand the origin,characteristics and utilisation of electricity. In the current chapter we will discuss :<\/p>\n<ul>\n<li>Electric Current and Circuit<\/li>\n<li>Electric Potential and Potential Difference<\/li>\n<li>Circuit Diagram<\/li>\n<li>OHM&#8217;s Law<\/li>\n<li>Factors on which the resistance of a conductor depends<\/li>\n<li>Resistance of a system of resistors<\/li>\n<li>Heating effect of electric current<\/li>\n<li>Electric Power<\/li>\n<\/ul>\n<p><strong>Charge <\/strong><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi? \\to\" \/><\/span><\/span><strong>\u00a0(q)<\/strong><\/p>\n<p>Charge is a characteristic unit of matter by means of which matter experiences electric forces. It can be either negative (electron) or positive (proton)<\/p>\n<p>\u201cCoulomb\u201d is the SI unit of charge, represented by C.<\/p>\n<p><strong>Net charge (Q) \u2013 Total charge<\/strong><\/p>\n<p>1C Net charge is equivalent to the charge contained in nearly electrons\u00a0<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?6 \\times {10^{18}}\" \/><\/span><\/span>\u00a0electrons.<\/p>\n<p>Q = ne<\/p>\n<p>(n is no. of electrons)<\/p>\n<p>If Q= 1C, <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?e = 1.6 \\times \\;{10^{ - 19}}C\" \/><\/span><\/span>(negative charge on electron)<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?n = \\frac{Q}{e} = \\frac{1}{{1.6 \\times {{10}^{ - 19}}}}\" \/><\/span><\/span><\/p>\n<p>=<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\frac{{100}}{{16}} \\times {10^{18}} = 6.2 \\times {10^{18}}\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?n = 6 \\times {10^{18}}\" \/><\/span><\/span>electron<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Current_I\"><\/span><strong>Current (I)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Rate of flow of net charge is called current. Denoted by (I)<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?I = \\frac{Q}{t}\" \/><\/span><\/span><\/p>\n<p>Electric current can also be defined as the amount of charge flowing through a unit cross-section in per second.<\/p>\n<p>SI unit of current is \u201cAmpere\u201d .Denoted by A.<\/p>\n<p>Ampere <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi? \\to\" \/><\/span><\/span>Defined as one coulomb of charge flowing per second.<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?1A = \\frac{{1C}}{{1S}}\" \/><\/span><\/span><\/p>\n<p>In an electric circuit the electric current flow in an opposite direction to the flow of electron (\u2013ve charge).This current is called conventional current.It flows from the +ve terminal battery or cell to \u2013ve terminal. Small quantity of current are expressed in<\/p>\n<p>mA (milli Ampere) = <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?{10^{ - 3}}A\" \/><\/span><\/span><\/p>\n<p>\u00b5A (micro Ampere) = <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?{10^{ - 6}}A\" \/><\/span><\/span><\/p>\n<p>Ammeter : It is an instrument used to measure the electric current in a circuit. It is always connected in series in a circuit. \u00a0It has low resistance(practically).Ideally ammeter&#8217;s resistance must be zero. It is represented as<\/p>\n<p><strong><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi? - - - (A)- - - -\" \/><\/span><\/span><\/strong><\/p>\n<p><strong>Electric Circuit :<\/strong> It is a closed path along which the electric current flows.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/revise\/10\/science\/10_sc_ch12_01.jpg\" width=\"444\" height=\"175\" \/><\/p>\n<p><strong>The electrons can only flow when there is difference of electric potential.<\/strong> For example \u201cwater flowing through a tube\u201d. It is only possible when there is high pressure at one side and low at another side, then it will move from high pressure to low pressure.<\/p>\n<p>In case of electric current, the flow of charge is made possible due to chemical action with in a cell that generates the potential difference across theterminals of the cell.<\/p>\n<p>Electric potential Difference : It is defined as the work done in carrying a unit charge from one point to another in an electric circuit.<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?V = \\frac{W}{Q}\" \/><\/span><\/span><br \/>\n<strong>V <\/strong>\u2013 Potential Difference<br \/>\n<strong>W <\/strong>\u2013 Work<br \/>\n<strong>Q <\/strong>\u2013 Net Charge<\/p>\n<p><strong>SI<\/strong>unit of potential difference \u2013 Volts.Denoted \u00a0by \u201cV\u201d. It is named after Alessandro Volta.<\/p>\n<p><strong>One Volt <\/strong><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi? \\to\" \/><\/span><\/span>\u00a0When 1 Joule of work is done in carrying one coulomb (1C)of charge from one point to another of a current carrying conductor then the potential difference is said to be IV.<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?1V = \\frac{{1J}}{{1C}}\" \/><\/span><\/span><\/p>\n<p><strong>Voltmeter <\/strong><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi? \\to\" \/><\/span><\/span>\u00a0It is an instrument, used to measure the potential difference and represented by the symbol <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi? - - - {}^ - {(V)^ + } - - - - -\" \/><\/span><\/span>in an electric circuit. It is always connected in parallel across the points between which the potential difference is to be measured. It has high resistance.<\/p>\n<p>Circuit Diagram :A\u00a0<b>circuit diagram<\/b>\u00a0(electrical\u00a0<b>diagram<\/b>, elementary\u00a0<b>diagram<\/b>, electronic schematic) is a graphical representation of an electric\u00a0<b>circuit<\/b>.<\/p>\n<p>Symbols for some commonly used instrument in circuit diagram:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/revise\/10\/science\/10_sc_ch12_02.jpg\" width=\"426\" height=\"129\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/revise\/10\/science\/10_sc_ch12_03.jpg\" width=\"437\" height=\"303\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"OHMs_LAW\"><\/span><strong>OHM&#8217;s LAW<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>George Simon Ohm f<\/strong>ound the relationship between the current (I) flowing through a conductorand potential difference (V) across the terminals of a conductor using the circuit diagram. He observed that the potential difference and current varied linearly.<br \/>\n<img decoding=\"async\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/revise\/10\/science\/10_sc_ch12_04.jpg\" \/><br \/>\nOhm\u2019s Law <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi? \\to\" \/><\/span><\/span>He stated that the electric current flowing through a conductor is directly proportional to the potential difference across its ends, under standard temperature and pressure conditions.<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\begin{gathered} V \\propto I \\\\\\ V = IR \\ \\end{gathered}\" \/><\/span><\/span><\/p>\n<p>Where \u201cR\u201d is the proportionality constant for the given metal at given temperature and is called resistance.The graph between V and I is always straight line with slope equal to R.<\/p>\n<p><strong>Resistance :<\/strong> It is the property of a conductor that opposes the flow of current. It is represented by \u2018R\u2019 and symbol is\u00a0<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\Omega\" \/><\/span><\/span><\/p>\n<p>SI unit of resistance is \u201cOhm\u201d.<\/p>\n<p><strong>1 Ohm :<\/strong> The resistance of a conductor is said to be one Ohm, when the potential difference across the conductor is 1V and the current flowing through it is 1A.<\/p>\n<p>V = IR<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\therefore R = \\frac{V}{I}\" \/><\/span><\/span>\u00a0 \u00a0IR = V<\/p>\n<p><strong>Rheostat<\/strong><\/p>\n<p>As we know that<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?V = IR\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\therefore \\;1 = \\frac{V}{R}\\left\\{ \\begin{gathered} {\\text{Shows that current through}} \\\\ {\\text{conductor}} {\\text{resistor is inversely}} \\\\ {\\text{proportional to its resistance}} \\end{gathered} \\right\\}\" \/><\/span><\/span><\/p>\n<p>So to increase or decrease the current accordingly in the circuit a component used is called \u201cRheostat\u201d, that regulates the current without changing potential difference. Represented by \u201cRh\u201d.<br \/>\nIts symbol is <img decoding=\"async\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/revise\/10\/science\/10_sc_ch12_06.jpg\" \/><br \/>\nIf a conductor has less Resistance, then more current will flow through it.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Factors_on_Which_Resistance_of_a_Conductor_Depends\"><\/span><strong>Factors on Which Resistance of a Conductor Depends<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1. On its length (L)<br \/>\n2. On its cross sectional area (A)<br \/>\n3. On the nature of material.<br \/>\n(Resistance) R <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\Omega\" \/><\/span><\/span>\u00a0L\u00a0(Directly prop. to length)<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?R\\alpha \\frac{L}{A}\" \/><\/span><\/span>\u00a0(inversely prop to cross-sectional area)<br \/>\n<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?R =\\rho \\frac{L}{A}\" \/><\/span><\/span><\/p>\n<p>Where \u201c<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\rho\" \/><\/span><\/span>\u00a0\u201d (rho) is a proportionality constant known as resistivity of the material of conductor.<\/p>\n<p>Resistivity (<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\rho\" \/><\/span><\/span>\u00a0) : The resistance offered by a wire of unit length and unit cross-sectional area is called resistivity.<\/p>\n<p>Its SI unit is\u00a0<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\Omega \\;m\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?Since\\;R = \\rho\\;\\;\\frac{L}{A}\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\therefore \\;\\rho = \\frac{{R.A}}{l} = \\;\\;\\frac{{\\Omega {m^2}}}{m}\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\therefore \\;\\;\\;SI\\;unit\\;of\\;\\; = \\Omega m.\" \/><\/span><\/span><\/p>\n<p>For a material irrespective of length and area, the resistivity is a constant.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Resistivity_of_a_Material_varies_with_Temperature\"><\/span><strong>Resistivity of a Material varies with Temperature<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Resistivity is the measure of resistance of a material. In other words, upto what extent will the material resist current flow.<\/strong><\/p>\n<p>Resistivity of an alloy (homogeneous mixture of metals) is generallyhigher than of its constituent metals. Example: Constantan (alloy of Cu &amp; Ni)<\/p>\n<p>Alloys have high resistivity and do not oxidise (burn) readly at hightemperature, for this reason they are commonly used in electrical heating devices,like electric iron, heater, toasters etc. For example \u201cTungsten\u201d as filament of electric bulb.<\/p>\n<ul>\n<li>Resistance of a system of resistors<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Resistance_in_Series_Maximum_Effective_Resistance\"><\/span><strong>Resistance in Series (Maximum Effective Resistance)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Let us take three conductors\/resistors of resistance R1, R2 and R3 that areconnected in series in a circuit.<br \/>\n<img decoding=\"async\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/revise\/10\/science\/10_sc_ch12_07.jpg\" \/><br \/>\nOhm\u2019s law stated<br \/>\nV = IR<\/p>\n<p>The current (I) flowing through the resistance in series will remain same,where as the potential difference (V) across each resistor will be different.<\/p>\n<p>V = IR<br \/>\n<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?{V_1}\\; = I{R_1}\" \/><\/span><\/span><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?{V_2}\\; = I{R_2}\" \/><\/span><\/span><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?{V_3}\\; = I{R_3}\" \/><\/span><\/span><\/p>\n<p>Total potential difference <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?(V) = {V_1} + {V_2} + {V_3}\" \/><\/span><\/span><br \/>\n<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?I R = I ({R_1} + {R_2} + {R_3})\" \/><\/span><\/span><br \/>\n<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?{R_{eff}} = {R_1} + {R_2} + {R_3}\" \/><\/span><\/span><\/p>\n<p>Thus, we conclude that effective Resistance of the several resistors joinedin series is equal to the algebraic sum of their individual resistances.Also, the net resistance increases when resistors are connected in series.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Resistance_in_Parallel_Minimum_Effective_Resistance\"><\/span><strong>Resistance in Parallel (<em>Minimum Effective Resistance<\/em>)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Let us take three resistors of resistance that are connectedin parallel in the electric circuit.<br \/>\n<img decoding=\"async\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/revise\/10\/science\/10_sc_ch12_08.jpg\" \/><br \/>\nNow,<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?{I_1} = \\frac{V}{{{R_1}}},\\;\\;{I_2} = \\frac{V}{{{R_2}}},\\;{I_3} = \\frac{V}{{{R_3}}}\" \/><\/span><\/span><\/p>\n<p>Total current <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?(I) = {I_1} + {I_2} + {I_3}\" \/><\/span><\/span>\u00a0substitute the value of <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?{I_1} + {I_2} + {I_3}\\;{\\mathbf{and}}\\;{\\mathbf{I}}\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\frac{V}{R} = \\frac{V}{{{R_1}}} + \\frac{V}{{{R_2}}} + \\frac{V}{{{R_3}}}\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\frac{V}{R} = V\\left[ {\\frac{1}{{{R_1}}} + \\frac{1}{{{R_2}}} + \\frac{1}{{{R_3}}}} \\right]\" \/><\/span><\/span><\/p>\n<p>Thus, we conclude that the reciprocal of total effective resistance of theseveral resistors connected in parallel is equal to the sum of the reciprocals of the individual resistances.Also ,the net resistance reduces when resistors are connected in parallel.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Disadvantage_of_Series_Connection_in_an_Electric_Circuit\"><\/span><strong>Disadvantage of Series Connection in an Electric Circuit<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1. In series connection if any of the component fail to work, the circuit will break and then none of the component (ex. TV, bulb, fan..) willwork.<\/p>\n<p>2. It is not possible to connect a bulb and a heater in series, because they need different value of current to operate properly.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hence_to_overcome_this_problem_we_generally_use_parallel_circuit\"><\/span><strong>Hence, to overcome this problem we generally use parallel circuit.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Heating Effect of Electric Current<\/strong><\/p>\n<p>Explanation <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi? \\to\" \/><\/span><\/span>\u00a0Battery or a cell is a source of electrical energy.<\/p>\n<p>1. Battery or cell (Chemical reaction in it will produce potential difference at its two terminals)<br \/>\n2. Electron will come in motion to flow current through resistor<br \/>\n3. To maintain this current, the sources has to keep expending its energy.<br \/>\n4. Part of this energy is consumed in useful work(Like rotating of fan)<br \/>\n5. Rest of energy of source is converted into heat, that raises the temperature of gadget.<br \/>\n6. This is known as heating\u00a0effect of electric current.<br \/>\n7. This effect is utilized in devices such as electric heater, iron etc.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mathematical_Expression\"><\/span><strong>Mathematical Expression<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Let us suppose that current (I) is flowing through a resistor of resistance(R) for the time (t). The potential difference across the resistance is (V).<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?V = \\frac{W}{Q}\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\therefore\" \/><\/span><\/span>Work done in moving the charge Q will be<\/p>\n<p>W = VQ<\/p>\n<p>Then power, <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?P = \\frac{W}{t}\" \/><\/span><\/span>[Rate of change of work done]\n<p>= <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\frac{{VQ}}{t}\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?P = VI\\;\\;\\;\\;\\left[ {\\because \\;I = \\frac{Q}{t}} \\right] - - (1)\" \/><\/span><\/span><\/p>\n<p>Heat energy supplied by the source for time t will be<\/p>\n<p>(H = P t) <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\left[ {\\because \\;P = \\frac{{Energy\\;of\\;work}}{{time}}} \\right] - - (2)\" \/><\/span><\/span><\/p>\n<p>Put equation (i) in equation (2)<\/p>\n<p>H = VIt<\/p>\n<p>= (IR) It <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\left[ {\\therefore \\;V = IR\\;Ohm's\\;Law} \\right]\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?H = {I^2}Rt\" \/><\/span><\/span><\/p>\n<p>This is known as Joule\u2019s Law<\/p>\n<h3><span class=\"ez-toc-section\" id=\"The_law_stated_that_the_heat_produced_in_a_resistor_is\"><\/span><strong>The law stated that the heat produced in a resistor is :<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>(i) directly proportional to square of the current (I)<\/p>\n<p>(ii) directly proportional to resistance (R) for given current<\/p>\n<p>(iii) directly proportional to time (t) for which current flow through resistor.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Application_of_Heating_Effect_of_Electric_Current\"><\/span><strong>Application of Heating Effect of Electric Current<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>1. Used in electric iron, toaster, oven, heater etc.<\/p>\n<p>2. It is also used in bulb to produce light.<br \/>\n(Filament of bulb is made of strong metal with high melting point suchas tungsten<br \/>\n(<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?m.pt = {3380^0}C\" \/><\/span><\/span>). This filament can retain as much of the heat generated as possible, to become very hot and emit light)<\/p>\n<p>3. It is also used in the \u201cfuse connected in an electric circuit. Fuse is asafety device, that protect the circuits and appliance by stopping theflow of high current. The wire of fuse is made of an alloy of metalse.g., Aluminium Copper, Iron, Lead etc. The alloy should be of lowmelting point and high resistivity, fuse is always connected in seriescircuit. When large current flows through the circuit, the temperatureof fuse wire will increase. This melts the fuse wire and breaks thecircuit.<br \/>\n\u201c Fuses\u201d used for domestic purposes are rated as 1A, 2A, 3A, 5A, 10Aetc. for various operation depending upon the power of appliance using.<\/p>\n<p><strong>Example<\/strong> : let us consider an appliance \u201celectric Iron\u201d which consume1KW electric power, at 220V<\/p>\n<p>P = VI<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?I = \\frac{P}{V}\\; = \\;\\frac{{1KW}}{{220V}}\\; = \\;\\frac{{1000W}}{{220V}}\" \/><\/span><\/span><\/p>\n<p>I=4.54A<\/p>\n<p>In this case a 5A fuse is required.<\/p>\n<p><strong>Electric Power<\/strong> : In case of electricity, it is defined as the rate of changeof electrical energy dissipated or consumed in an electric circuit.<\/p>\n<p>P=VI<\/p>\n<p>Or <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?P = {I^2}R\\;\\;\\;\\;\\;(\\because \\;V = IR\\;Ohm's\\;Law)\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?Or\\;\\;P = \\frac{{{V^2}}}{R}\\;\\;\\;\\;\\;\\;\\;\\;\\;\\left( {\\because \\,I = \\frac{V}{R}} \\right)\" \/><\/span><\/span><\/p>\n<p>Or <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?P = \\frac{{Electrical\\;Energy(E)}}{{time}}\" \/><\/span><\/span><\/p>\n<p>SI unit of electric power is \u201cWatt\u201d (W)<\/p>\n<p><strong>1 Watt<\/strong><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi? \\to\" \/><\/span><\/span>\u00a0Defined as the power consumed by a device, when IA of current passes through it at the potential difference of IV.<\/p>\n<p>P=VI<\/p>\n<p>1 Watt = 1 Volt <span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi? \\times\" \/><\/span><\/span>\u00a01 Ampere<\/p>\n<p>Electrical Energy<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?P = \\frac{E}{t}\\;\\;\\left[ \\begin{gathered} E - Electrical\\;Energy \\\\ t - time \\end{gathered} \\right]\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\therefore \\;E = P \\times t\" \/><\/span><\/span><\/p>\n<p>SI unit of electrical energy =Ws or J<\/p>\n<p>Commercial unit of electrical energy=KWh or one unit<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?E = P \\times t\" \/><\/span><\/span><\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\therefore \\;KWh\\;\\;\\;\\;\\;\\;\\;\\;\\; = 1KW\\; \\times \\;h\" \/><\/span><\/span><\/p>\n<p>= 1000Wx3600s<\/p>\n<p>= 36 x 10<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?^5\" \/><\/span><\/span>Ws<\/p>\n<p>= 3.6 x 10<span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?^6\" \/><\/span><\/span>J (SI unit Ws=J)<\/p>\n<p><span class=\"cke_widget_wrapper cke_widget_inline cke_widget_selected\"><span class=\"math-tex cke_widget_element\"><img decoding=\"async\" src=\"https:\/\/elpiscart.com\/cgi-bin\/mathtex.cgi?\\therefore \\;\\;\\;1KWh = 3.6\\; \\times \\;{10^6}J\" \/><\/span><\/span><\/p>\n<p>One horse power = 746W<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Electricity_class_10_Notes\"><\/span>Electricity class 10 Notes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>CBSE Revision notes (PDF Download) Free<\/li>\n<li>Revision notes for Class 10 Science PDF<\/li>\n<li>CBSE Revision notes Class 10 Science \u2013 CBSE<\/li>\n<li>CBSE Revisions notes and Key Points Class 10 Science<\/li>\n<li>Summary of the NCERT books all chapters in Science class 10<\/li>\n<li>Short notes for CBSE class 10th Science<\/li>\n<li>Key notes and chapter summary of Science class 10<\/li>\n<li>Quick revision notes for CBSE board exams<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_Class_10_Revision_Notes_and_Key_Points\"><\/span><strong>CBSE Class 10 Revision Notes and Key Points<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Electricity class 10 Notes. CBSE quick revision note for Class 10 Science, Chemistry, Maths, Biology and other subject are very helpful to revise the whole syllabus during exam days. The revision notes covers all important formulas and concepts given in the chapter. Even if you wish to have an overview of a chapter, quick revision notes are here to do if for you. These notes will certainly save your time during stressful exam days.<\/p>\n<ul>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-10-mathematics\/1202\/cbse-revision-notes\/7\/\">Mathematics<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-10-science\/1176\/cbse-revision-notes\/7\/\">Science<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-10-social-science\/1896\/cbse-revision-notes\/7\/\">Social Science<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-10-english-communicative\/1901\/cbse-revision-notes\/7\/\">English Communicative<\/a><\/li>\n<\/ul>\n<p>To download Electricity class 10 Notes, sample paper for class 10 Mathematics, Social Science, Science, English Communicative; do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\"><strong>the best app for CBSE students<\/strong><\/a>\u00a0and myCBSEguide website.<\/p>\n<ul>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/chemical-reactions-equations-class-10-notes-science\/\">Chemical Reactions and Equations class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/acids-bases-salts-class-10-notes-science\/\">Acids Bases and Salts class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/metals-non-metals-class-10-notes-science\/\">Metals and Non-metals class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/carbon-compounds-class-10-notes-science\/\">Carbon and its Compounds class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/periodic-classification-elements-class-10-notes-science\/\">Periodic Classification of Elements class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/life-processes-class-10-notes-science\/\">Life Processes class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/control-coordination-class-10-notes-science\/\">Control and Coordination class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/organisms-reproduce-class-10-notes-science\/\">How do Organisms Reproduce class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/heredity-evolution-class-10-notes-science\/\">Heredity and Evolution class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/light-reflection-refraction-class-10-notes-science\/\">Light Reflection and Refraction class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/human-eye-colourful-world-class-10-notes-science\/\">Human Eye and Colourful World class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/magnetic-effects-electric-current-class-10-notes-science\/\">Magnetic Effects of Electric Current class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/sources-energy-current-class-10-notes-science\/\">Sources of Energy Current class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/environment-class-10-notes-science\/\">Our Environment class 10 Notes Science<\/a><\/li>\n<li class=\"entry-title\"><a href=\"https:\/\/mycbseguide.com\/blog\/management-natural-resources-class-10-notes-science\/\">Management of Natural Resources class 10 Notes Science<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>CBSE class 10 Science Chapter 12 Electricity notes in PDF are available for free download in myCBSEguide mobile app. The best app for CBSE students now provides Electricity class 10 Notes latest chapter wise notes for quick preparation of CBSE board exams and school based annual examinations. Class 10 Science notes on Chapter 12 Electricity &#8230; <a title=\"Electricity class 10 Notes Science\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/electricity-class-10-notes-science\/\" aria-label=\"More on Electricity class 10 Notes Science\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":9081,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46,456],"tags":[457,150,535,426,240],"class_list":["post-9214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cbse-class-10","category-revision-notes","tag-cbse-notes","tag-cbse-notes-and-key-points","tag-electricity","tag-quick-revision","tag-quick-revision-notes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Electricity class 10 Notes Science | myCBSEguide<\/title>\n<meta name=\"description\" content=\"Electricity class 10 Notes Science chapter 12 in PDF format for free download. 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