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A galvanometer of resistance, G is shunt...

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 [AIPMT (Mains)-20111 (1) (S+G) 0 G (2) (S+G) S2 (S+G) SG (4) iS +G)

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