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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

Torsional constant of Al, Cu and Fe are Nm/rad, Nm/rad and Nm/rad respectively. Which fibre will make galvanometer more sensitive:

Answer: (C)

Solution

Sensitivity , so the fibre with the smallest torsional constant, Cu

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Question ID VK-078445