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A thin circular -conducting ring having ...

A thin circular -conducting ring having N turns of radius R is falling with its plane vertical in a horizontal magnetic field B . At the position MNQ the speed of ring is v the induced e.m.f developed across the ring is

A

Zero

B

`(BvpiR^(2)N)/(2) ` and M is at higher potential

C

`N pi` BRv and Q is at higher potential

D

2RBvN and Q is at lower potential

Text Solution

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The correct Answer is:
D
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