A galvanometer coil has a resistance of 10 ohm and it shows full scale deflection for a current of 1mA. The shunt resistance required to convert the galvanometer into an ammeter of range 0–100 mA is about
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A galvanometer coil has a resistance of 10 ohm and it shows full scale deflection for a current of 1mA. The shunt resistance required to convert the galvanometer into an ammeter of range 0–100 mA is about
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Answer:
2.5 ohm
The resistance of a galvanometer is 2.5 ohm and it requires 50 mA for full scale deflection. The value of shunt required to convert it into an ammeter of 5A range is nearly. A .