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MHT CET Physics question

PhysicsElectromagnetic InductionMHT CET

A metal wire of area of cross-section and specific resistance is bent into a square loop and moved with a constant speed in a uniform magnetic field of induction 2 . What should be the speed of loop so that a current of 3 mA passes through it?

Answer: (C)

Solution

Taking and gives , so

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Question ID VK-081911