A galvanometer coil has a resistance of 15 Ω and the metre shows full scale deflection for a current of 4 mA. How will you convert the metre into an ammeter of range 0 to 6 A?

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Resistance of the galvanometer coil, G = 15 Ω Current for which the galvanometer shows full scale deflection, = 4 mA = 4 × 10−3 A Range of the ammeter is 0, which needs to be converted to 6 A. Current, I = 6 A A shunt resistor of resistance S is to be connected in parallel with the...
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Resistance of the galvanometer coil, G = 15 Ω Current for which the galvanometer shows full scale deflection, = 4 mA = 4 × 10−3 A Range of the ammeter is 0, which needs to be converted to 6 A. Current, I = 6 A A shunt resistor of resistance S is to be connected in parallel with the galvanometer to convert it into an ammeter. The value of S is given as: Hence, a shunt resistor is to be connected in parallel with the galvanometer. read less
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