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  • The sensitivity of a galvanometer of resistance 406 ohm is increased by 30 times. The shunt used is  Option: 1 <img alt="88 \ \Ome

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

Option: 1

88 \ \Omega


Option: 2

14 \ \Omega


Option: 3

6 \ \Omega


Option: 4

16 \ \Omega


Answers (1)

best_answer

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

Posted by

Suraj Bhandari

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