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Moving Charges and Magnetism

Concept of magnetic field, Oersted’s experiment.
Biot – Savart law and its application to current carrying circular loop.
Ampere’s law and its applications to infinitely long straight wire. Straight and toroidal solenoids
(only qualitative treatment), force on a moving charge in uniform magnetic and electric fields,
Force on a current-carrying conductor in a uniform magnetic field, force between two parallel
current-carrying conductors-definition of ampere, torque experienced by a current loop in
uniform magnetic field; moving coil galvanometer-its current sensitivity and conversion to
ammeter and voltmeter.

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