Home Physics Current Electricity JEE Main 2023 When a resistance of 5 is shunted with a mo…
Physics Current Electricity JEE Main 2023 MCQ (Single Correct)

When a resistance of 5 is shunted with a moving coil galvanometer, it shows a full scale deflection for a current of 250 mA, however when 1050 resistance is connected with it in series, it gives full scale deflection for 25 volt. The resistance of galvanometer is________ .

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The formula to calculate the maximum current through the galvanometer, when a shunt resistance is connected is given by

When a series resistance is connected, the potential difference across the galvanometer is given by

…..

From equations and , it can be written that

Substitute the values of the known parameters into equation to calculate the required galvanometer resistance.

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