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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

Verified by Experts

The correct Answer is:
b
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