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A circular wire of radius r rotates abou...

A circular wire of radius r rotates about its own axis with angular speed w in a magnetic field B perpendicular to its plane, then the induced e.m.f. is

A

`(1)/(2)Br omega^(2)`

B

`Bromega^(2)`

C

`2Bromega^(2)`

D

zero

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The correct Answer is:
D
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