Question Of The Day,

A vertical conducting ring of radius R falls vertically in a horizontal magnetic field of magnitude B. the direction of B is perpendicular to the plane of the ring. When the speed of the ring is v,  

        [a] no current flows in the ring

        [b] A and D are at the same potential.

        [c] C and E are at the same potential

        [d] the potential difference between A and D is 2Brv, with D at higher potential.

   

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