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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

A

Is zero

B

Decreases as `(1)/(r)`

C

Increases as r

D

Decreases as `(1)/(r^(2))`

Text Solution

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The correct Answer is:
B
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