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  • What should be value of E for which galvanometer shows no deflection: </p

What should be value of E for which galvanometer shows no deflection:

Option: 1

10 V


Option: 2

5 V


Option: 3

15 V


Option: 4

20 V


Answers (1)

best_answer

If there will be no current in G. As the potential difference across 10 \Omega resistance equal to 10V then

\begin{aligned} & \frac{\frac{10}{15}+\frac{E}{5}}{\frac{1}{15}+\frac{1}{15}}=10 \\ & \Rightarrow E=10 V \end{aligned}

Posted by

Suraj Bhandari

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