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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

A voltmeter reads 3 V at full-scale deflection and is graded as 6000 /V. What resistance should be connected in series with it so that it reads 12 V at full scale deflection?

Answer: (C)

Solution

Resistance for 3 V is and for 12 V it must be , so the series resistance is 10^{4}$\

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Question ID VK-078401