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A resistance box, a battery and a galvan...

A resistance box, a battery and a galvanometer of resistance `G` ohm are connected in series. the galvanometer is shunted by resistance of `S` ohm, find the change in resistance in the resistance box be required to maintain the current from the battery unchanged.

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Verified by Experts

The correct Answer is:
`g^(2)//(g+s)`
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