Q.

A bar magnet is placed along the axis of a circular coil. Then the current is induced in the coil is

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a

For all the above three cases

b

If the magnet moves with uniform acceleration

c

If the magnet moves with uniform speed

d

If the coil moves with uniform speed

answer is D.

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Detailed Solution

According to Faraday’s law, when there is relative motion between coil and bar

magnet in all cases current is induced in the coil

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