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A conducting circular loop is placed in ...

A conducting circular loop is placed in a uniform magnetic field `0.04T` with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at `2mm//sec` . The induced emf in the loop when the radius is `2cm` is

A

`3.2pi muV`

B

`4.8 pi mu v`

C

`0.8 pi mu V`

D

`1.6 pi mu V`

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The correct Answer is:
A
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