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A metallic ring (radius R) of negligible...

A metallic ring (radius R) of negligible resistance has a resistance r connected across its diameter as shown in the figure. It is moving with velocity `v_(0)` in a constant magnetic field `B_(0)` acting perpendicular to the plane of the paper in the inward direction. The current in the resistance is :

A

`(2BRv_(0))/(r )`

B

`(BRv_(0))/(r )`

C

`(BRv_(0))/(2r)`

D

0

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The correct Answer is:
A
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