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A semicircular wire of radius R is rotat...

A semicircular wire of radius `R` is rotated with constant angular velocity `omega` about an axis passing through one end and perpendicular to the plane of the wire.There is a uniform magnetic field of strength `B`.The induced `e.m.f` between the ends is:

A

`B omegaR^(2)//R`

B

`2B omegaR^(2)`

C

is variable

D

none of these

Text Solution

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The correct Answer is:
B
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