A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 $ \times $ 10$-$4 ampere gives a deflection of one division. To convert this galvanometer into a voltmeter having a range of 25 volts, it should be connected with a resistance of

Question

A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 $ \times $ 10^$-$4 ampere gives a deflection of one division. To convert this galvanometer into a voltmeter having a range of 25 volts, it should be connected with a resistance of

$2500\,\Omega $ as a shunt

2450 $\Omega $ as a shunt

2550 $\Omega $ in series

2450 $\Omega $ in series

Solution

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