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A thin semicircular conducting ring of r...

A thin semicircular conducting ring of radius `R` is falling with its plane verticle in a horizontal magnetic inducting `B`. At the position `MNQ`, the speed of the ring is `V` and the potential difference developed across the ring is

(1.) zero
(2.)`BcpiR^(2)//2`
(3.) `piRBV`
(4.) `2RBV`

A

Zero

B

`(BpiR^2)/2` and M is at a higher potential

C

`piBRv and Q` is at a higher potential

D

2RBv and Q is at a higher potential

Text Solution

Verified by Experts

The correct Answer is:
D
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