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A galvanometer has a resistance of 30 ohm and a current of 2 mA is...

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A galvanometer has a resistance of 30 ohm and a current of 2 mA is needed to give a full scale deflection What is the resistance needed to convert this galvanometer into an ammeter of 3 A range 1 70 22 3 0 7 Q 2 0 02 S 4 20 Q

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