{"id":4422,"date":"2018-04-21T05:49:00","date_gmt":"2018-04-21T00:19:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-physics-moving-charges-and-magnetism\/"},"modified":"2018-10-22T15:55:21","modified_gmt":"2018-10-22T10:25:21","slug":"ncert-solutions-class-12-physics-moving-charges-magnetism","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-physics-moving-charges-magnetism\/","title":{"rendered":"NCERT Solutions class 12 physics Moving Charges and Magnetism"},"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-class-12-physics-moving-charges-magnetism\/#NCERT_Class_12_Physics_Chapter-wise_Solutions\" >NCERT Class 12 Physics 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-class-12-physics-moving-charges-magnetism\/#CHAPTER_4_MOVING_CHARGES_AND_MAGNETISM\" >CHAPTER 4 MOVING CHARGES AND MAGNETISM<\/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\/ncert-solutions-class-12-physics-moving-charges-magnetism\/#NCERT_Solutions_class_12_physics_Moving_Charges_and_Magnetism\" >NCERT Solutions class 12 physics Moving Charges and Magnetism\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-physics-moving-charges-magnetism\/#NCERT_Solutions_for_Class_12_Physics\" >NCERT Solutions for Class 12 Physics<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions class 12 physics Moving Charges and Magnetism Class 12 Physics 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 12 Physics chapter wise NCERT solution for Physics part 1 and Physics part 2 for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p><strong>Download\u00a0<a href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-12-physics\/1251\/ncert-solutions\/5\/\">NCERT solutions for\u00a0Moving Charges and Magnetism\u00a0<\/a>as PDF.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20physics%20book%2012.jpg\" alt=\"NCERT Solutions class 12 physics Moving Charges and Magnetism\" width=\"130\" height=\"158\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Class_12_Physics_Chapter-wise_Solutions\"><\/span><strong>NCERT Class 12 Physics Chapter-wise Solutions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>1 \u2013 Electric Charges and Fields<\/li>\n<li>2 \u2013 Electrostatic Potential and Capacitance<\/li>\n<li>3 \u2013 Current Electricity<\/li>\n<li>4 \u2013 Moving Charges and Magnetism<\/li>\n<li>5 \u2013 Magnetism and Matter<\/li>\n<li>6 \u2013 Electromagnetic Induction<\/li>\n<li>7 \u2013 Alternating Current<\/li>\n<li>8 \u2013 Electromagnetic Waves<\/li>\n<li>9 \u2013 Ray Optics and Optical Instruments<\/li>\n<li>10 \u2013 Wave Optics<\/li>\n<li>11 \u2013 Dual Nature of Radiation and Matter<\/li>\n<li>12 \u2013 Atoms<\/li>\n<li>13 \u2013 Nuclei<\/li>\n<li>14 \u2013 Semiconductor Electronic: Material, Devices and Simple Circuits<\/li>\n<li>15 \u2013 Communication Systems<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"CHAPTER_4_MOVING_CHARGES_AND_MAGNETISM\"><\/span>CHAPTER 4 MOVING CHARGES AND MAGNETISM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>4.1 Introduction<\/li>\n<li>4.2 Magnetic Force<\/li>\n<li>4.3 Motion in a Magnetic Field<\/li>\n<li>4.4 Motion in Combined Electric and Magnetic Fields<\/li>\n<li>4.5 Magnetic Field due to a Current Element, Biot-Savart Law<\/li>\n<li>4.6 Magnetic Field on the Axis of a Circular Current Loop<\/li>\n<li>4.7 Ampere\u2019s Circuital Law<\/li>\n<li>4.8 The Solenoid and the Toroid<\/li>\n<li>4.9 Force between Two Parallel Currents, the Ampere<\/li>\n<li>4.10 Torque on Current Loop, Magnetic Dipole<\/li>\n<li>4.11 The Moving Coil Galvanometer<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_class_12_physics_Moving_Charges_and_Magnetism\"><\/span>NCERT Solutions class 12 physics Moving Charges and Magnetism<strong>\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1. A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field B at the centre of the coil?<\/p>\n<p>2.\u00a0A long straight wire carries a current of 35 A. What is the magnitude of the field\u00a0B\u00a0at a point 20 cm from the wire?<\/p>\n<p>3:\u00a0A long straight wire in the horizontal plane carries a current of 50 A in north to south direction. Give the magnitude and direction of\u00a0B\u00a0at a point 2.5 m east of the wire.<\/p>\n<p>4:\u00a0A horizontal overhead power line carries a current of 90 A in east to west direction. What is the magnitude and direction of the magnetic field due to the current 1.5 m below the line?<\/p>\n<p>5:\u00a0What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and making an angle of 30\u00ba with the direction of a uniform magnetic field of 0.15 T?<\/p>\n<p>6:\u00a0A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27 T. What is the magnetic force on the wire?<\/p>\n<p>7:\u00a0Two long and parallel straight wires A and B carrying currents of 8.0 A and 5.0 A in the same direction are separated by a distance of 4.0 cm. Estimate the force on a 10 cm section of wire A.<\/p>\n<p>8:\u00a0A closely wound solenoid 80 cm long has 5 layers of windings of 400 turns each. The diameter of the solenoid is 1.8 cm. If the current carried is 8.0 A, estimate the magnitude of\u00a0B\u00a0inside the solenoid near its centre.<\/p>\n<p>9:\u00a0A square coil of side 10 cm consists of 20 turns and carries a current of 12 A. The coil is suspended vertically and the normal to the plane of the coil makes an angle of 30\u00ba with the direction of a uniform horizontal magnetic field of magnitude 0.80 T. What is the magnitude of torque experienced by the coil?<\/p>\n<p>10:\u00a0Two moving coil meters, M<sub>1<\/sub>\u00a0and M<sub>2<\/sub>\u00a0have the following particulars:<\/p>\n<p><em>R<\/em><sub>1<\/sub>\u00a0= 10 <img decoding=\"async\" style=\"height: 18px; width: 18px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image032.png\" \/>,\u00a0<em>N<\/em><sub>1<\/sub>\u00a0= 30,<\/p>\n<p><em>A<\/em><sub>1<\/sub>\u00a0=<img decoding=\"async\" style=\"height: 22px; width: 84px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image033.png\" \/><em>,<\/em>\u00a0<em>B<\/em><sub>1<\/sub>\u00a0= 0.25 T<\/p>\n<p><em>R<\/em><sub>2<\/sub>\u00a0= 14 <img decoding=\"async\" style=\"height: 18px; width: 18px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image032.png\" \/>,\u00a0<em>N<\/em><sub>2<\/sub>\u00a0= 42,<\/p>\n<p><em>A<\/em><sub>2<\/sub>\u00a0=<img decoding=\"async\" style=\"height: 22px; width: 84px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image034.png\" \/>,\u00a0<em>B<\/em><sub>2<\/sub>\u00a0= 0.50 T<\/p>\n<p>(The spring constants are identical for the two meters).<\/p>\n<p>Determine the ratio of (a) current sensitivity and (b) voltage sensitivity of M<sub>2<\/sub>\u00a0and M<sub>1<\/sub>.<\/p>\n<p>11:\u00a0In a chamber, a uniform magnetic field of 6.5 G (1 G = 10<sup>-4<\/sup>\u00a0T) is maintained. An electron is shot into the field with a speed of <img decoding=\"async\" style=\"height: 22px; width: 98px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image042.png\" \/>normal to the field. Explain why the path of the electron is a circle. Determine the radius of the circular orbit. (<em>e<\/em>\u00a0=<img decoding=\"async\" style=\"height: 22px; width: 81px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image043.png\" \/>,\u00a0<em>m<sub>e<\/sub><\/em>=<img decoding=\"async\" style=\"height: 24px; width: 87px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image044.png\" \/>)<\/p>\n<p>13:\u00a0(a)\u00a0A circular coil of 30 turns and radius 8.0 cm carrying a current of 6.0 A is suspended vertically in a uniform horizontal magnetic field of magnitude 1.0 T. The field lines make an angle of 60\u00ba with the normal of the coil. Calculate the magnitude of the counter torque that must be applied to prevent the coil from turning.<\/p>\n<p>(b)\u00a0Would your answer change, if the circular coil in (a) were replaced by a planar coil of some irregular shape that encloses the same area? (All other particulars are also unaltered.)<\/p>\n<p>14:\u00a0Two concentric circular coils X and Y of radii 16 cm and 10 cm, respectively, lie in the same vertical plane containing the north to south direction. Coil X has 20 turns and carries a current of 16 A; coil Y has 25 turns and carries a current of 18 A. The sense of the current in X is anticlockwise, and clockwise in Y, for an observer looking at the coils facing west. Give the magnitude and direction of the net magnetic field due to the coils at their centre.<\/p>\n<p>15:\u00a0A magnetic field of 100 G (1 G = 10<sup>-4<\/sup>\u00a0T) is required which is uniform in a region of linear dimension about 10 cm and area of cross-section about 10<sup>-3<\/sup>\u00a0m<sup>2<\/sup>. The maximum current-carrying capacity of a given coil of wire is 15 A and the number of turns per unit length that can be wound round a core is at most 1000 turns m<sup>-1<\/sup>. Suggest some appropriate design particulars of a solenoid for the required purpose. Assume the core is not ferromagnetic<\/p>\n<p>16:\u00a0For a circular coil of radius\u00a0<em>R<\/em>\u00a0and\u00a0<em>N<\/em>\u00a0turns carrying current\u00a0<em>I<\/em>, the magnitude of the magnetic field at a point on its axis at a distance\u00a0<em>x<\/em>\u00a0from its centre is given by,<\/p>\n<p><img decoding=\"async\" style=\"height: 61px; width: 112px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image075.png\" \/><\/p>\n<p>(a)\u00a0Show that this reduces to the familiar result for field at the centre of the coil.<\/p>\n<p>(b)\u00a0Consider two parallel co-axial circular coils of equal radius\u00a0<em>R<\/em>, and number of turns\u00a0<em>N<\/em>, carrying equal currents in the same direction, and separated by a distance\u00a0<em>R<\/em>. Show that the field on the axis around the mid-point between the coils is uniform over a distance that is small as compared to\u00a0<em>R<\/em>, and is given by, <img decoding=\"async\" style=\"height: 42px; width: 120px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image076.png\" \/>, approximately. [Such an arrangement to produce a nearly uniform magnetic field over a small region is known as <em>Helmholtz coils<\/em>.]\n<p>17:\u00a0A toroid has a core (non-ferromagnetic) of inner radius 25 cm and outer radius 26 cm, around which 3500 turns of a wire are wound. If the current in the wire is 11 A, what is the magnetic field (a) outside the toroid, (b) inside the core of the toroid, and (c) in the empty space surrounded by the toroid.<\/p>\n<p>18:\u00a0Answer the following questions:<\/p>\n<p>(a)\u00a0A magnetic field that varies in magnitude from point to point but has a constant direction (east to west) is set up in a chamber. A charged particle enters the chamber and travels undeflected along a straight path with constant speed. What can you say about the initial velocity of the particle?<\/p>\n<p>(b)\u00a0A charged particle enters an environment of a strong and non-uniform magnetic field varying from point to point both in magnitude and direction, and comes out of it following a complicated trajectory. Would its final speed equal the initial speed if it suffered no collisions with the environment?<\/p>\n<p>(c)\u00a0An electron travelling west to east enters a chamber having a uniform electrostatic field in north to south direction. Specify the direction in which a uniform magnetic field should be set up to prevent the electron from deflecting from its straight line path.<\/p>\n<p>19:\u00a0An electron emitted by a heated cathode and accelerated through a potential difference of 2.0 kV, enters a region with uniform magnetic field of 0.15 T. Determine the trajectory of the electron if the field (a) is transverse to its initial velocity, (b) makes an angle of 30\u00ba with the initial velocity.<\/p>\n<p>20:\u00a0A magnetic field set up using Helmholtz coils (described in Exercise 4.16) is uniform in a small region and has a magnitude of 0.75 T. In the same region, a uniform electrostatic field is maintained in a direction normal to the common axis of the coils. A narrow beam of (single species) charged particles all accelerated through 15 kV enters this region in a direction perpendicular to both the axis of the coils and the electrostatic field. If the beam remains undeflected when the electrostatic field is<img decoding=\"async\" style=\"height: 22px; width: 107px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image109.png\" \/>, make a simple guess as to what the beam contains. Why is the answer not unique?<\/p>\n<p>21:\u00a0A straight horizontal conducting rod of length 0.45 m and mass 60 g is suspended by two vertical wires at its ends. A current of 5.0 A is set up in the rod through the wires.<\/p>\n<p>(a)\u00a0What magnetic field should be set up normal to the conductor in order that the tension in the wires is zero?<\/p>\n<p>(b)\u00a0What will be the total tension in the wires if the direction of current is reversed keeping the magnetic field same as before? (Ignore the mass of the wires.) g = 9.8 m s<sup>-2<\/sup>.<\/p>\n<p>22:\u00a0The wires which connect the battery of an automobile to its starting motor carry a current of 300 A (for a short time). What is the force per unit length between the wires if they are 70 cm long and 1.5 cm apart? Is the force attractive or repulsive?<\/p>\n<p>23:\u00a0A uniform magnetic field of 1.5 T exists in a cylindrical region of radius10.0 cm, its direction parallel to the axis along east to west. A wire carrying current of 7.0 A in the north to south direction passes through this region. What is the magnitude and direction of the force on the wire if,<\/p>\n<p>(a)\u00a0the wire intersects the axis,<\/p>\n<p>(b)\u00a0the wire is turned from N-S to northeast-northwest direction,<\/p>\n<p>(c)\u00a0the wire in the N-S direction is lowered from the axis by a distance of 6.0 cm?<\/p>\n<p>24: A uniform magnetic field of 3000 G is established along the positive\u00a0<em>z<\/em>-direction. A rectangular loop of sides 10 cm and 5 cm carries a current of 12 A. What is the torque on the loop in the different cases shown in Fig. 4.28? What is the force on each case? Which case corresponds to stable equilibrium?<\/p>\n<p><img decoding=\"async\" id=\"Picture 230\" style=\"height: 112px; width: 391px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image130.jpg\" \/><\/p>\n<p><img decoding=\"async\" id=\"Picture 227\" style=\"height: 112px; width: 375px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image131.jpg\" \/><\/p>\n<p>25:\u00a0A circular coil of 20 turns and radius 10 cm is placed in a uniform magnetic field of 0.10 T normal to the plane of the coil. If the current in the coil is 5.0 A, what is the<\/p>\n<p>(a)\u00a0total torque on the coil,<\/p>\n<p>(b)\u00a0total force on the coil,<\/p>\n<p>(c)\u00a0average force on each electron in the coil due to the magnetic field?<\/p>\n<p>(The coil is made of copper wire of cross-sectional area 10<sup>-5<\/sup>\u00a0m<sup>2<\/sup>, and the free electron density in copper is given to be about 10<sup>29<\/sup>\u00a0m<sup>-3<\/sup>.)<\/p>\n<p>26:\u00a0A solenoid 60 cm long and of radius 4.0 cm has 3 layers of windings of 300 turns each. A 2.0 cm long wire of mass 2.5 g lies inside the solenoid (near its centre) normal to its axis; both the wire and the axis of the solenoid are in the horizontal plane. The wire is connected through two leads parallel to the axis of the solenoid to an external battery which supplies a current of 6.0 A in the wire. What value of current (with appropriate sense of circulation) in the windings of the solenoid can support the weight of the wire?\u00a0<em>g<\/em>\u00a0= 9.8 m s<sup>-2<\/sup><\/p>\n<p>27:\u00a0A galvanometer coil has a resistance of 12 <img decoding=\"async\" style=\"height: 18px; width: 18px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image158.png\" \/>and the metre shows full scale deflection for a current of 3 mA. How will you convert the metre into a voltmeter of range 0 to 18 V?<\/p>\n<p>28: A galvanometer coil has a resistance of 15 <img decoding=\"async\" style=\"height: 18px; width: 18px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/physics\/ch04\/image158.png\" \/>and the metre shows full scale deflection for a current of 4 mA. How will you convert the metre into an ammeter of range 0 to 6 A?<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_12_Physics\"><\/span><strong>NCERT Solutions for Class 12 Physics<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NCERT Solutions Class 12 Physics PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 12 physics includes text book solutions from both part 1 and part 2. NCERT Solutions for CBSE Class 12 Physics have total 20 chapters. 12 Physics NCERT Solutions in PDF for free Download on our website. Ncert physics class 12 solutions PDF and physics ncert class 12 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide<\/p>\n<p>To download\u00a0NCERT Solutions for class 12 Physics, Chemistry, Biology, History, Political Science, Economics, Geography, Computer Science, Home Science, Accountancy, Business Studies and Home 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 class 12 physics Moving Charges and Magnetism Class 12 Physics 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. &#8230; <a title=\"NCERT Solutions class 12 physics Moving Charges and Magnetism\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-physics-moving-charges-magnetism\/\" aria-label=\"More on NCERT Solutions class 12 physics Moving Charges and Magnetism\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":-1,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[281,1433],"tags":[283,1342,216,319],"class_list":["post-4422","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ncert-solutions","category-physics-cbse-class-12","tag-cbse-study-material","tag-class-12","tag-ncert-solutions","tag-physics"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions class 12 physics Moving Charges and Magnetism<\/title>\n<meta name=\"description\" content=\"NCERT Solutions class 12 physics Moving Charges and Magnetism in PDF format for free download. 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