3 A galvanometer of resistance 20 2 gives a full scale deflection when a current...
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3 A galvanometer of resistance 20 2 gives a full scale deflection when a current of 0 04 A is passed through it It is desired to convert it into an ammeter of full scale reading 20 A The only shunt available is 0 05 92 resistance The resistance that must be connected in series with the coil of the galvanometer is a 4 95 0 b 5 94 9 c 9 45 d 12 62 S
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