JEE Main 12 Jan 2019 Shift 1 Solved Paper

Section: Physics

Question : 15 of 90

Marks: +1, -0

The galvanometer deflection, when key K1 is closed but K2 is open, equals θ0 (see figure). On closing K2 also and adjusting R2 to 5W, the deflection in galvanometer becomes

θ0

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

[12 Jan 2019 Shift 1]

12 Ω
25 Ω
5 Ω
22 Ω

Validate

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