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Q.

As shown in the figure, a magnet is moved with a fast speed towards a coil at rest. Due to this induced electromotive force, induced current and induced charge in the coil are E, I and Q respectively. If the speed of the magnet is doubled, the incorrect statement is

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a

E increases

b

I increases

c

Q Remains same

d

Q increases

answer is D.

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Detailed Solution

The emf and current depends on time but the charge is independent of time.

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