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Current Electricity

JEE Main level, single correct, medium

377 of 380

Question 377 of 380

A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10 divisions per milliampere and voltage sensitivity is 2 divisions per millivolt. In order that each division reads 1 volt, the resistance in ohms needed to be connected in series with the coil will be

Show answer and solution

Answer: (D) 9995

I_g=15 \mathrm{~mA} \quad V g=75 \mathrm{mV}

\mathrm{R}=\frac{\mathrm{V}}{\mathrm{I}_g}-\frac{\mathrm{V}_g}{I_g}

JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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