MHT CET 2025 Physics question
A wire of length 'L' carries a current 'I'. If the wire is turned into a square coil of single turn, the maximum magnitude of the torque in a given magnetic field () is
Answer: (D)
Solution
A wire of length bent into a square has side , so area . Maximum torque on a current loop (field in the plane of the coil, ) is $τ_{max} = NIAB =
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