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MHT CET Physics question

PhysicsCurrent ElectricityMHT CET

Three moving coil galvanometer A, B and C made of coil of three different material having torsional constant , and respectively. If three galvanometers are identical in all other respects, then in which of above cases, sensitivity is maximum? [MH-CET 2005]

Answer: (A)

Solution

, so the galvanometer with the smallest torsional constant, A

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Question ID VK-078714