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MHT CET 2026 Physics question

PhysicsMoving Charges and MagnetismMHT CET 2026

The magnetic moments associated with two closely wound circular coils a and b of radius and respectively are equal if (where , and , are number of turns and current in A and B respectively)

Answer: (C)

Solution

The magnetic moment of a closely wound coil is . For coil a: . For coil b: . Setting gives , i.e.

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Question ID VK-097505