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A galvanometer of resistance, G, is shun...

A galvanometer of resistance, G, is shunted by a resistance S ohm. To keep the main current in the circuit unchanged the resistance to be put in series with the galvanometer is

A

`(G^(2))/((S +G))`

B

`(G)/((S + G))`

C

`(S^(2))/((S+G))`

D

`(SG)/((S+G))`

Text Solution

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The correct Answer is:
A
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