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PhysicsCurrent ElectricityElectrical instrumentEasy2 minPYQ_2020
PhysicsEasysingle choice

A galvanometer is used in laboratory for detecting the null point in electrical experiments. If, on passing a current of6mAit produces a deflection of2°, its figure of merit is close to :

Options:

Answer:
D
Solution:

Current sensitivity=1θ=6×10-32=3×10-3

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument
2mℹ️ Source: PYQ_2020

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