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PhysicsCurrent ElectricityElectrical instrumentEasy2 minPYQ_2024
PhysicsEasysingle choice

The deflection in moving coil galvanometer falls from25divisions to5division when a shunt of24 Ωis applied. The resistance of galvanometer coil will be:

Question diagram: The deflection in moving coil galvanometer falls from 25 div

Options:

Answer:
B
Solution:

Let x represents the current per division though the galvanometer.

After applying shunt

Now, if G is the galvanometer resistance, from the above figure, it can be written that

5x×G=20x×24G=4×24G=96 Ω

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument
2mℹ️ Source: PYQ_2024

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