Why manganin and eureka is used for making standard resistance coil?
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Manganin is an alloy of 84% copper, 12% mangnese and 4% nickel and is used to make standard resistance coils because they have high value of resistivity, they are least affected by temperature and temperature coefficient of resistance is less..
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Answer:Manganin is an alloy of 84% copper, 12% mangnese and 4% nickel and is used to make standard resistance coils because they have high value of resistivity, they are least affected by temperature and temperature coefficient of resistance is less..
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