{"id":4066,"date":"2016-05-06T11:49:00","date_gmt":"2016-05-06T06:19:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-magnetic-effects-of-electric-current-part-2\/"},"modified":"2023-03-22T16:46:54","modified_gmt":"2023-03-22T11:16:54","slug":"ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/","title":{"rendered":"NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2"},"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\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#NCERT_Class_10_Science_Chapter_wise_Solutions\" >NCERT Class 10 Science Chapter wise Solutions<\/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\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#NCERT_Solutions_for_Class_10_Science_Magnetic_Effects_of_Electric_Current_Part_2\" >NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/a><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#1_Which_one_of_the_following_correctly_describes_the_magnetic_field_near_a_long_straight_wire\" >1. Which one of the following correctly describes the magnetic field near a long straight wire?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#2_The_phenomenon_of_electromagnetic_induction_is\" >2. The phenomenon of electromagnetic induction is<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#3_The_device_used_for_producing_electric_current_is_called\" >3. The device used for producing electric current is called<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#4_The_essential_difference_between_AC_generator_and_a_DC_generator_is_that\" >4. The essential difference between A.C. generator and a D.C. generator is that<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#5_At_the_time_of_short_circuit_the_current_in_the_circuit\" >5. At the time of short circuit, the current in the circuit:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#6_State_whether_the_following_statements_are_true_or_false\" >6. State whether the following statements are true or false.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#7_List_three_methods_of_producing_magnetic_field\" >7. List three methods of producing magnetic field.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#8_How_does_a_solenoid_behave_like_a_magnet_Can_you_determine_the_north_and_south_poles_of_a_current_carrying_solenoid_with_the_help_of_a_bar_magnet_Explain\" >8. How does a solenoid behave like a magnet? Can you determine the north and south poles of a current carrying solenoid with the help of a bar magnet? Explain.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#9_When_is_the_force_experienced_by_a_current-carrying_conductor_placed_in_magnetic_field_largest\" >9. When is the force experienced by a current-carrying conductor placed in magnetic field largest?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#10_Imagine_that_you_are_sitting_in_chamber_with_your_back_to_one_wall_An_electron_beam_moving_horizontally_from_back_wall_towards_the_front_wall_is_deflected_by_a_strong_magnetic_field_to_your_right_side_What_is_the_direction_of_magnetic_field\" >10. Imagine that you are sitting in chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong magnetic field to your right side. What is the direction of magnetic field?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#11_Draw_a_labelled_diagram_of_an_electric_motor_Explain_its_principle_and_working_What_is_the_function_of_split_ring_in_an_electric_motor\" >11. Draw a labelled diagram of an electric motor. Explain its principle and working. What is the function of split ring in an electric motor?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#12_Name_some_devices_in_which_electric_motors_are_used\" >12. Name some devices in which electric motors are used.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#13_A_coil_of_insulated_copper_wire_is_connected_to_a_galvanometer_What_will_happen_if_a_bar_magnet_is_i_pushed_into_the_coil_ii_withdrawn_from_inside_the_coil_iii_held_stationary_inside_the_coil\" >13. A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is (i) pushed into the coil. (ii) withdrawn from inside the coil (iii) held stationary inside the coil?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#14_Two_circular_coils_A_and_B_are_placed_close_to_each_other_If_the_current_in_the_coil_A_is_changed_will_some_current_be_induced_in_the_coil_B_Give_reason\" >14. Two circular coils A and B are placed close to each other. If the current in the coil A is changed, will some current be induced in the coil B? Give reason.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#15_State_the_rule_to_determine_the_direction_of_a_i_magnetic_field_produced_around_a_straight_current_carrying_conductor_ii_force_experienced_by_a_current_carrying_straight_conductor_iii_current_induced_in_a_coil_due_to_its_rotation_in_a_magnetic_field\" >15. State the rule to determine the direction of a (i) magnetic field produced around a straight current carrying conductor (ii) force experienced by a current carrying straight conductor (iii) current induced in a coil due to its rotation in a magnetic field.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#16_Explain_the_underlying_principle_and_working_of_an_electric_generator_by_drawing_a_labelled_diagram_What_is_the_function_of_brushes\" >16. Explain the underlying principle and working of an electric generator by drawing a labelled diagram. What is the function of brushes?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#17_When_does_an_electric_short_circuit_occurs\" >17. When does an electric short circuit occurs?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#18_What_is_the_function_of_an_earth_wire_Why_is_it_necessary_to_earth_metallic_appliances\" >18. What is the function of an earth wire? Why is it necessary to earth metallic appliances?<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#NCERT_Solutions_for_Class_10_Science\" >NCERT Solutions for Class 10 Science<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/#CBSE_app_for_Students\" >CBSE app for Students<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2 Class 10 Science Class book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE Board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 10 Science chapter wise NCERT solution for Science Book for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p style=\"text-align: center;\"><strong>NCERT solutions for Class 10 Science\u00a0Magnetic Effects of Electric Current <a class=\"button\" href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-10-science\/1176\/ncert-solutions\/5\/\">Download as PDF<\/a><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/10%20Science%20Book.jpg\" alt=\"NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2\" width=\"213\" height=\"262\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Class_10_Science_Chapter_wise_Solutions\"><\/span><span class=\"underline-text\">NCERT Class 10 Science Chapter wise Solutions<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>1 \u2013 Chemical Reactions and Equations<\/li>\n<li>2 \u2013 Acids, Bases and Salts<\/li>\n<li>3 \u2013 Metals and Non-metals<\/li>\n<li>4 \u2013 Carbon and Its Compounds<\/li>\n<li>5 \u2013 Periodic Classification of Elements<\/li>\n<li>6 \u2013 Life Processes<\/li>\n<li>7 \u2013 Control and Coordination<\/li>\n<li>8 \u2013 How do Organisms Reproduce?<\/li>\n<li>9 \u2013 Heredity and Evolution<\/li>\n<li>10 \u2013 Light Reflection and Refraction<\/li>\n<li>11 \u2013 Human Eye and Colourful World<\/li>\n<li>12 \u2013 Electricity<\/li>\n<li>13 \u2013 Magnetic Effects of Electric Current<\/li>\n<li>14 \u2013 Sources of Energy<\/li>\n<li>15 \u2013 Our Environment<\/li>\n<li>16 \u2013 Management of Natural Resources<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_10_Science_Magnetic_Effects_of_Electric_Current_Part_2\"><\/span>NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h6><span class=\"ez-toc-section\" id=\"1_Which_one_of_the_following_correctly_describes_the_magnetic_field_near_a_long_straight_wire\"><\/span><strong>1. Which one of the following correctly describes the magnetic field near a long straight wire?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>(a) The field consists of straight lines perpendicular to the wire.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(b) The field consists of straight lines parallel to the wire<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(c) The field consists of radial lines originating from the wire<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(d) The field consists of concentric circles centered on the wire<\/strong><\/p>\n<p><strong>Ans. (d)<\/strong> The field consists of concentric circles centred on the wire.<\/p>\n<hr \/>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_The_phenomenon_of_electromagnetic_induction_is\"><\/span><strong>2. The phenomenon of electromagnetic induction is <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>(a) the process of charging a body.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(b) the process of generating magnetic field due to a current passing through a coil.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(c) producing induced current in a coil due to relative motion between a magnet and the coil.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(d) the process of rotating a coil at an electric motor.<\/strong><\/p>\n<p><strong>Ans. (c)<\/strong> producing induced current in a coil due to relative motion between a magnet and the coil.<\/p>\n<hr \/>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"3_The_device_used_for_producing_electric_current_is_called\"><\/span><strong>3. The device used for producing electric current is called <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>(a) generator<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(b) galvanometer<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(c) ammeter<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(d) motor<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Ans. (a) <\/strong>generator<\/p>\n<hr \/>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"4_The_essential_difference_between_AC_generator_and_a_DC_generator_is_that\"><\/span><strong>4. The essential difference between A.C. generator and a D.C. generator is that <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>(a) A.C. generator has an electromagnet while a D.C. generator has permanent magnet.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(b) D.C. generator will generate a higher voltage<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(c) A.C. generator will generate a higher voltage<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(d) A.C. generator has slip rings while the D.C. generator has commutator.<\/strong><\/p>\n<p><strong>Ans. (d)<\/strong> A.C. generator has slip rings while the D.C. generator has commutator.<\/p>\n<hr \/>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"5_At_the_time_of_short_circuit_the_current_in_the_circuit\"><\/span><strong>5. At the time of short circuit, the current in the circuit: <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>(a) reduce substantially<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(b) does not change<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(c) increase heavily<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(d) vary continuously<\/strong><\/p>\n<p><strong>Ans. (c)<\/strong> increase heavily<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"6_State_whether_the_following_statements_are_true_or_false\"><\/span><strong>6. State whether the following statements are true or false.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>(a) An electric motor converts mechanical energy into electrical energy. <\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(b) An electric generator works on the principle of electromagnetic induction.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(c) The field at the centre of a long circular coil carrying current will be parallel straight line<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(d) A wire with green insulation is usually the live wire of an electric supply.<\/strong><\/p>\n<p><strong>Ans. (a) <\/strong>False<\/p>\n<p><strong>(b) <\/strong>True<\/p>\n<p><strong>(c) <\/strong>True<\/p>\n<p><strong>(d)<\/strong> False<\/p>\n<hr \/>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"7_List_three_methods_of_producing_magnetic_field\"><\/span><strong>7. List three methods of producing magnetic field.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>Three methods of producing magnetic fields are as follows:<\/p>\n<p style=\"text-align: justify;\"><strong>(a)<\/strong> Magnetic field can be produced by placing a permanent magnet or a horse-shoe magnet at the place, where magnetic field is required.<\/p>\n<p style=\"text-align: justify;\"><strong>(b)<\/strong> Magnetic field is produced around a current carrying straight conductor or a current carrying coil.<\/p>\n<p style=\"text-align: justify;\"><strong>(c) <\/strong>A very good method to produce magnetic field is due to flow of current in a solenoid.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/p>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"8_How_does_a_solenoid_behave_like_a_magnet_Can_you_determine_the_north_and_south_poles_of_a_current_carrying_solenoid_with_the_help_of_a_bar_magnet_Explain\"><\/span><strong>8. How does a solenoid behave like a magnet? Can you determine the north and south poles of a current carrying solenoid with the help of a bar magnet? Explain. <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>When current is passed through a solenoid coil, magnetic field is produced due to presence of turns in same direction. As a result, the resultant magnetic field is very strong and uniform. Solenoid behaves like a strong bar magnet.<\/p>\n<p style=\"text-align: justify;\">We can determine the poles of magnet formed by solenoid. The end of solenoid connectd with positive terminal behaves like South Pole and the end connected with negative terminal behaves as North Pole.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/p>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"9_When_is_the_force_experienced_by_a_current-carrying_conductor_placed_in_magnetic_field_largest\"><\/span><strong>9. When is the force experienced by a current-carrying conductor placed in magnetic field largest? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>The force experienced by a current carrying conductor placed in a magnetic field is largest when the conductor is placed with its length in a direction perpendicular to that of magnetic field.<\/p>\n<hr \/>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"10_Imagine_that_you_are_sitting_in_chamber_with_your_back_to_one_wall_An_electron_beam_moving_horizontally_from_back_wall_towards_the_front_wall_is_deflected_by_a_strong_magnetic_field_to_your_right_side_What_is_the_direction_of_magnetic_field\"><\/span><strong>10. Imagine that you are sitting in chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong magnetic field to your right side. What is the direction of magnetic field? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>An electron beam moving horizontally from back wall towards the front wall is equivalent to a current flowing in the opposite direction. The deflection of electron beam as seen by the observer is to his right side. On applying Fleming\u2019s left-hand rule we find that the magnetic field is acting in vertically downward direction.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/p>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"11_Draw_a_labelled_diagram_of_an_electric_motor_Explain_its_principle_and_working_What_is_the_function_of_split_ring_in_an_electric_motor\"><\/span><strong>11. Draw a labelled diagram of an electric motor. Explain its principle and working. What is the function of split ring in an electric motor? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Electric motor labelled diagram of an electric motor is as follows:<\/p>\n<p><img decoding=\"async\" class=\"\" style=\"height: 188px; width: 376px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch13\/image003.png\" \/><\/p>\n<p style=\"text-align: justify;\"><strong>Principle<\/strong>: A current-carrying conductor, when placed in a magnetic field, experiences a force. If the direction of magnetic field and that of current are mutually perpendicular, then force acting on the conductor will be perpendicular to both and will be the given by Fleming\u2019s left-hand rule. Due to this force the conductor begins to move, if it is free to rotate.<\/p>\n<p style=\"text-align: justify;\"><strong>Working<\/strong><u>: <\/u>Let the current in the coil ABCD of motor enters from the source battery through the conducting brush X, flow along ABCD and finally flows back to the battery through brush Y. On applying Fleming\u2019s left-hand rule we find that force acting on arm AB due to magnetic field pushes it downwards. But the force acting on arm CD pushes it upwards. Thus, the coil and the axle rotate anticlockwise. Due to action of split rings P and Q change their contacts with brushes. Now, P makes contact with Y and Q with X. As a result, Current begins to flow in coil along DCBA. The arms are pushed in opposite direction and coil continues to rotate in same direction.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/p>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"12_Name_some_devices_in_which_electric_motors_are_used\"><\/span><strong>12. Name some devices in which electric motors are used.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>Electric motors are used in all devices where we want to convert electrical energy into mechanical energy. In our houses, electric motors, coolers, mixer grinders, washing machines, computers etc motor is used.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/p>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"13_A_coil_of_insulated_copper_wire_is_connected_to_a_galvanometer_What_will_happen_if_a_bar_magnet_is_i_pushed_into_the_coil_ii_withdrawn_from_inside_the_coil_iii_held_stationary_inside_the_coil\"><\/span><strong>13. A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is (i) pushed into the coil. (ii) withdrawn from inside the coil (iii) held stationary inside the coil?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. (i)<\/strong> When a bar magnet is pushed into the coil of insulated copper wire connected to a galvanometer, galvanometer gives a deflection towards left.<\/p>\n<p style=\"text-align: justify;\"><strong>(ii)<\/strong> When the bar magnet is withdrawn from inside the coil, again an induced current is set in coil that deflect the galvanometer towards right.<\/p>\n<p style=\"text-align: justify;\"><strong>(iii)<\/strong> If the bar magnet is held stationary inside the coil, then no induced current is set and galvanometer does not show any deflection.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"14_Two_circular_coils_A_and_B_are_placed_close_to_each_other_If_the_current_in_the_coil_A_is_changed_will_some_current_be_induced_in_the_coil_B_Give_reason\"><\/span><strong>14. Two circular coils A and B are placed close to each other. If the current in the coil A is changed, will some current be induced in the coil B? Give reason.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>Yes, a current is induced in the coil B.<\/p>\n<p style=\"text-align: justify;\">When the current in the coil A is changed, the magnetic field associated with it also changes. As coil B is placed close to A, hence magnetic field lines around this coil also change. Due to change in magnetic field lines associated with coil B, an induced current is also induced in it.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/p>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"15_State_the_rule_to_determine_the_direction_of_a_i_magnetic_field_produced_around_a_straight_current_carrying_conductor_ii_force_experienced_by_a_current_carrying_straight_conductor_iii_current_induced_in_a_coil_due_to_its_rotation_in_a_magnetic_field\"><\/span><strong>15. State the rule to determine the direction of a (i) magnetic field produced around a straight current carrying conductor (ii) force experienced by a current carrying straight conductor (iii) current induced in a coil due to its rotation in a magnetic field.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. (i)<\/strong> To know the direction of magnetic field produced around a straight conductor we make use \u201cRight hand thumb Rule\u201d.<\/p>\n<p style=\"text-align: justify;\"><strong>(ii)<\/strong> To find the direction of force experienced by a current carrying straight conductor placed in a magnetic field we make use \u201cFleming\u2019s left hand rule\u201d.<\/p>\n<p style=\"text-align: justify;\"><strong>(iii)<\/strong> For finding the direction of current induced in a coil we use \u201cFleming\u2019s right hand rule\u201d.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/p>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"16_Explain_the_underlying_principle_and_working_of_an_electric_generator_by_drawing_a_labelled_diagram_What_is_the_function_of_brushes\"><\/span><strong>16. Explain the underlying principle and working of an electric generator by drawing a labelled diagram. What is the function of brushes? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>Electric generator labelled diagram is as follows:<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" id=\"Picture 1\" style=\"height: 208px; width: 285px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch13\/image004.png\" \/><\/p>\n<p style=\"text-align: justify;\"><strong>Principle<\/strong>: An electric generator works on the principle of electromagnetic induction.<\/p>\n<p style=\"text-align: justify;\">Working: Let the in the beginnings brushes <img decoding=\"async\" style=\"height: 24px; width: 17px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch13\/image005.png\" \/> and <img decoding=\"async\" style=\"height: 24px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch13\/image006.png\" \/> are kept pressed separately on rings <img decoding=\"async\" style=\"height: 24px; width: 17px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch13\/image007.png\" \/> and <img decoding=\"async\" style=\"height: 24px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch13\/image008.png\" \/> respectively. Let the axle attached to the rings is rotated such that arm AB of the coil moves up and arm CD moves down in the magnetic field. Due to rotation of arms AB and CD induced current are set up in them. As per Fleming\u2019s right hand rule, induced current in these arms along the directions AB and CD respectively and current flows into <img decoding=\"async\" style=\"height: 24px; width: 17px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch13\/image005.png\" \/>and <img decoding=\"async\" style=\"height: 24px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch13\/image006.png\" \/>.<\/p>\n<p style=\"text-align: justify;\">After half rotation, arm AB moves downward and arms CD upward to change the direction opposite to first case. Thus, after every half rotation current changes its direction and an alternate current is obtained in the generator.<\/p>\n<p style=\"text-align: justify;\">Brushes are kept pressed on the two slip rings separately. Outer ends of the brushes are connected to the galvanometer. Thus, brushes help in transferring current from the coil ABCD to external circuit.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/p>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"17_When_does_an_electric_short_circuit_occurs\"><\/span><strong>17. When does an electric short circuit occurs? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>If either the insulation of wires used in an electric circuit is damaged or there is a fault in the appliances, live wire and neutral wire may come in direct contact. As a result, the current in the circuit abruptly rises and short circuiting occurs.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2<\/p>\n<h6 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"18_What_is_the_function_of_an_earth_wire_Why_is_it_necessary_to_earth_metallic_appliances\"><\/span><strong>18. What is the function of an earth wire? Why is it necessary to earth metallic appliances? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>The earth wires functions as a safety measure, especially for those appliances that have a metallic body, like heater, electric, press, room cooler etc.<\/p>\n<p style=\"text-align: justify;\">The metallic body of the appliance is connected to the earth wire, which provides a low resistance conducting path for electric current. It ensures that any leakage of current to the metallic body of an appliance keeps it potential same as of earth. As a result, the user would not get severe electric shock, even if he touches the body of appliance.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_10_Science\"><\/span>NCERT Solutions for Class 10 Science<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NCERT Solutions Class 10 Science PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 10 Science includes text book solutions from Book. NCERT Solutions for CBSE Class 10 Science have total 16 chapters. 10 Science NCERT Solutions in PDF for free Download on our website. Ncert Science class 10 solutions PDF and Science ncert class 10 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_app_for_Students\"><\/span>CBSE app for Students<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To download\u00a0NCERT Solutions for class 10 Social Science, Computer Science, Home Science,Hindi ,English, Maths Science 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","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2 Class 10 Science Class book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE Board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are &#8230; <a title=\"NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-magnetic-effects-of-electric-current-part-2\/\" aria-label=\"More on NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":30045,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[281,1367],"tags":[1043,283,438,216,349],"class_list":["post-4066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ncert-solutions","category-science-cbse-class-10","tag-cbse-class-10-science","tag-cbse-study-material","tag-class-10","tag-ncert-solutions","tag-science"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2 | myCBSEguide<\/title>\n<meta name=\"description\" content=\"NCERT Solutions for Class 10 Science Magnetic Effects of Electric Current Part 2 in PDF format for free download. 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