1.

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
Answer» D. Constantan wire of 25 m Ω


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