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A cell having an emf of 2 V and internal...

A cell having an emf of 2 V and internal resistance of `0.5 Omega` is sending current through a tangent galvanometer of resistance `4.5 Omega`. If another external resistance of `95 Omega` is introducedm the deflection of the galvanometer is `45^(@)` , calculate the reduction factor fof the galvanometer?

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The correct Answer is:
0.02 A
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SL ARORA-MAGNETISM-Based on (i) Earth s Magnetism (ii) magnetic field of a bar magnet
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