For a moving coil galvanometer, the deflection in the coil is 0.05rad when a current of is passed through it. If the torsional constant of the suspension wire is \(4.0\times {10}^{-5}\), the magnetic field is 0.01T and the number of turns in the coil is 200 , the area of each turn (in \(c{m}^{2}\) ) is:

[JEE Main 2023, 25 Jan (Shift 2)]

Question

For a moving coil galvanometer, the deflection in the coil is 0.05rad when a current of is passed through it. If the torsional constant of the suspension wire is \(4.0\times {10}^{-5}\), the magnetic field is 0.01T and the number of turns in the coil is 200 , the area of each turn (in \(c{m}^{2}\) ) is:

[JEE Main 2023, 25 Jan (Shift 2)]

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For a moving coil galvanometer, the deflection in the coil is 0.05rad when a current of is passed through it. If the tor…

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