. A thin semicircular conducting ring of radius R is falling with its plane vertical in a horizontal magnetic induction B
At the position MNQ, the speed of the ring is V and the potential difference developed across the ring is
A. Zero
D. 2RBV and Q is at higher potential
Best Answer
Ans: D
The induced current in the ring must generate magnetic field in the upward direction. Thus Q is at higher potential.
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