Chapter 4 Moving Charges and Magnetism

NCERT Solutions for class 12 Physics Chapter 4 Moving Charges and Magnetism

Find a detailed explanation of NCERT Solutions for class 12 Physics Chapter 4 Moving Charges and Magnetism prepared as per the CBSE board requirements. Questions asked in the NCERT textbook Chapter 4 Moving Charges and Magnetism are solved by the experts with the relevant and detailed explanation of all the questions asked in Exercise Chapter 4 Moving Charges and Magnetism.  

Introduction of NCERT Solutions for class 12 Physics Chapter 4 Moving Charges and Magnetism

The mathematical description of current is a necessary preparation for the theory of magnetism because electric current is a basic source of the magnetic field. Everyone has played with magnets and felt the mystery of their forces. What causes the magnetic force? In 1820 Oersted discovered that magnetic forces are produced by electric currents, by demonstrating that a compass needle is deflected if placed near a current-carrying wire. Conversely, a magnet creates a force on a current. The effect was further studied by Biot and Savart, and by Ampere. Ampere in particular explored in detail the magnetic forces between electric currents. Later, Faraday and Maxwell developed the field theory of electric and magnetic forces, in which currents create the magnetic field.

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