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MHT CET Physics question

PhysicsElectromagnetic InductionMHT CET

A small loop of area of cross-section is lying concentrically and coplanar inside a bigger loop of radius 0.628 m. A current of 10 A is passed in the bigger loop. The smaller loop is rotated about its diameter with an angular velocity . The magnetic flux linked with the smaller loop will be

Answer: (D)

Solution

At the centre T, so Wb; at the loops are coplanar (flux maximum), so

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Question ID VK-081916