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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions, when a shunt of 12 is connected across it. The resistance of the galvanometer is

Answer: (D)

Solution

The galvanometer now carries 1/5 of the current, so , giving $G = 4S = 48\

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Question ID VK-078644