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  4. As shown in the figure initially switch k1 is open and k2 is closed and deflection of galvanometer is θ 0 . Now both switch are closed then the deflection in galvanometer is (given RH=5 textΩ ) <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-xnwuanadosiiht9w.jpg />

Q. As shown in the figure initially switch is open and is closed and deflection of galvanometer is . Now both switch are closed then the deflection in galvanometer is (given )

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Solution:


I-case ......(1)
II-case ..........(2)
From (1) and (2)

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