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JEE Main Physics Class 12 Moving Charges and Magnetism Part 1 Questions

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Question : 24

Total: 100

The galvanometer deflection, when key K1 is closed but K2 is open, equals theta0 (see figure). On closing K2 also and adjusting R2 to 5Ω, the deflection in galvanometer becomes

. The resistance of the galvanometer is, then, given by [Neglect the internal resistance of battery]:

[12 Jan 2019, I]

5Ω
22Ω
25Ω
12Ω

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