1.

A magnet and a coil are taken. In which of the following cases, emf is induced in the coil ?

Answer»

magnet is MOVING, coil is at rest.
magnet is at rest and the coil is moving.
both magnetic and coil are moving with equal velocities.
magnet is moving with GREATER velocity than that of coil.

Solution :(i) Relative motion between coil and the magnet.
(ii) Varying magnetic field - INDUCED emf.


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