A moving coil galvanometer has resistanc...

A moving coil galvanometer has resistance `50 Omega` and it indicates full deflection at 4 m A current. A voltmeter is made using this galvanometer and a `5k Omega` resistance. The maximum voltmeter, will be close be :

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The correct Answer is:

20.2

`V=i_(g)[R_(g)+R]`
`=4xx10^(-3) [50+5000]=20.2 ` volt

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