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Consider a galvanometer shunted with $5 \Omega$ resistance and $2 \%$ of current passes through it. What is the resistance of the given galvanometer?

Option: 1 $245 \Omega$
Option: 2 $344 \Omega$
Option: 3 $300 \Omega$
Option: 4 $226 \Omega$

Answers (1)

best_answer

$I_{g}= \frac{2}{100}\times I= 0\cdot 02I$
$I-I_{g}=0\cdot 98I$
$I_{g}R_{G}=\left ( I-I_{9} \right )s$
$\left ( 0\cdot 02I \right )\times R_{G}= \left ( 0\cdot 98 \right )I\times 5$
$R_{G}=49\times 5= 245\: \Omega$
The correct option is (1)

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vishal kumar

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