Write two special characteristics of manganin due to which it is used in making standard resistance
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✔The two important characteristics of manganin alloy that is useful in making standard resistance coils are: Manganin has a constant electrical resistance over a wide range of temperature that is a small value of temperature coefficients α and β
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The two characteristics are:
1. Very high value of resistivity
2. Very small value of temperature coefficient of resistivity
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