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A metallic disc of radius ' R ' is rota...

A metallic disc of radius ' R ' is rotating about its geometrical axis with constant angular speed ' w' in external agnetic field B which is perpendicular to the plane of the disc then induced emf between the centre and any peripherical point of the disc is given by :

A

`BpiR^(2)`

B

`(2Bpi^(2)R^(2))/(omega)`

C

`BpiR^(2)omega`

D

`(BR^(2)omega)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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