A moving coil galvanometer of resistance is used as an ammeter using a resistance

PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

A moving coil galvanometer of resistance 100Ω100\Omega is used as an ammeter using a resistance 0.1Ω0.1\Omega . The maximum deflection current in the galvanometer is 100μA100\mu\text{A} . Find the minimum current in the circuit so that the ammeter shows maximum deflection (1) 100.1mA100.1\text{mA} (2) 1000.1mA1000.1\text{mA} (3) 10.01mA10.01\text{mA} (4) 1.01mA1.01\text{mA}

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