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  • The sensitivity of a galvanometer of resistance 406 ohm is increased by 30 times. The shunt used isOption: 1 <img alt="88 \; \Omega" src="/latex-imag

The sensitivity of a galvanometer of resistance 406 ohm is increased by 30 times. The shunt used is

Option: 1

88 \; \Omega


Option: 2

4\: \Omega


Option: 3

6\: \Omega


Option: 4

16\: \Omega


Answers (1)

best_answer

\frac{i}{i_g}=30 \text {. The shunt } S=\frac{G i_g}{i-i_g}=\frac{226}{29}=14 \Omega \text {. }

Posted by

Divya Prakash Singh

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