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A uniform but time-varying magnetic fiel...

A uniform but time-varying magnetic field B (t) exists in a circular region of radius a and is directed into the plane of the paper as shown . The magnitude of the induced electric field at point P at a distance r from the centre of the circular region is

A

is zero

B

proportional to r

C

proportional to 1/r

D

proportional 1/`r^(2)`

Text Solution

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The correct Answer is:
C
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