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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

A circular coil of radius 10 cm and 100 turns carries a current 1 A. What is the magnetic moment of the coil? [CBSE PMT 2000]

Answer: (C)

Solution

; (a) and (b) are off by a factor of

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Question ID VK-080560