1.

Two identical conducting rings A and B ofradius R are rolling over a horizontalconducting plane with same speed v but in 8opposite direction. A constant magnetic fieldB is present pointing into the plane of paper.Then the potential difference between thehighest points of the two rings is1)0 2) 2BvR 3)4BvR 4) none of these

Answer»

e₁= BVR e₂₌BVRtotal will be 2BVR



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