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The variation of induced emf (epsilon ) ...

The variation of induced emf (`epsilon` ) with time (t) in a coil if a short bar magnet is moved along its axis with a constant velocity is best represented as

A

B

C

D

Text Solution

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The correct Answer is:
B
Polarity of emf will be opposite in the two cases while entering and while leaving the coil only in option (b) polarity is changing
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