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A 10A DC Ammeter has a resistance of 0.1 Ω is to be extended to 50 A, the required shunt wire is A) Manganin wire of 20 m Ω B) Constantan wire of 20 m Ω C) Manganin wire of 25 m Ω D) Constantan wire of 25 m Ω

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A 10A DC Ammeter has a resistance of 0.1 Ω is to be extended to 50 A, the required shunt wire is Manganin wire of 25 m Ω

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