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A coil having effective area A, is held ...

A coil having effective area A, is held with its plane normal to a magnetic field of induction B. The magnetic induction is quickly reduced to `25%` of its initial value in `2s`. Then e.m.f. induced across the coil will be

A

`(3AB)/(8)`

B

`(3AB)/(4)`

C

`(AB)/(4)`

D

`(AB)/(2)`

Text Solution

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The correct Answer is:
A
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