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A copper disc of the radius 0.1 m is rot...

A copper disc of the radius 0.1 m is rotated about its centre with 20 revolutions per second in a uniform magnetic field of 0.1 T with its plane perpendicular to the field. The emf induced across the radius of the disc is-

A

`pi xx 10V`

B

`2pi xx 10V`

C

`pi xx 10^(-2) V`

D

`2pi xx 10^(-2) V`

Text Solution

Verified by Experts

The correct Answer is:
C
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