A galvanometer having a coil of resistance \(30\Omega\) need 20 mA of current for full-scale deflection. If a maximum current of 3 A is to be measured using this galvanometer, the resistance of the shunt to be added to the galvanometer should be \(\frac{30}{X}\Omega\), where\(X\) is

[JEE Main 2025, 23 Jan (Shift 2)]

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A galvanometer having a coil of resistance \(30\Omega\) need 20 mA of current for full-scale deflection. If a maximum current of 3 A is to be measured using this galvanometer, the resistance of the shunt to be added to the galvanometer should be \(\frac{30}{X}\Omega\), where\(X\) is

[JEE Main 2025, 23 Jan (Shift 2)]

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A galvanometer having a coil of resistance \(30\Omega\) need 20 mA of current for full-scale deflection. If a maximum cu…

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