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A simple pendulum with a bob of mass m a...

A simple pendulum with a bob of mass m and a conducting wire of length L, swings under gravity with an angular amplitude `2theta`. If the horizontal component of the earth's magnetic field perpendicular to the plane of motion of the pendulum is B, then the maximum emf induced across the pendulum is

A

`2BL sin (theta/2) (gL)^(1//2)`

B

`BL sin(theta/2)(2gL)^(1//2)`

C

`2BL sin(theta/2)(gL)^(3//2)`

D

`BL sin(theta/2)(gL)^(2)`

Text Solution

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The correct Answer is:
A
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