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A rectangular loop of sides a and b is p...

A rectangular loop of sides `a` and `b` is placed in `xy`-placed. A uniform but time varying magnetic field of strength `B=20thati+10t^2hatj+50hatk` is present in the region. The magnitude of induced emf in the loop at time is

A

20+20r

B

20

C

20r

D

Zero

Text Solution

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The correct Answer is:
C
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