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In a uniform magneitc field of induced B...

In a uniform magneitc field of induced B a wire in the form of a semicircle of radius r rotates about the diameter of hte circle with an angular frequency `omega`. The axis of rotation is perpendicular to hte field. If the total resistance of hte circuit is R, the mean power generated per period of rotation is

A

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

B

`((Bpi^(2)omega)^(2))/(8R)`

C

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

D

`((Bpiromega)^(2))/(8R)`

Text Solution

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The correct Answer is:
B
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