Why alloys like constantan and manganin are used for making standard r

1.	Why alloys like constantan and manganin are used for making standard resistors?
Answer» They are used to make standard resistors because : They have high value of resistivity. Temperature coefficient of resistance is less. They are least affected by temperature.

Why alloys like constantan and manganin are used for making standard resistors?

Answer»

They are used to make standard resistors because :

They have high value of resistivity.
Temperature coefficient of resistance is less.
They are least affected by temperature.

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Why alloys like constantan and manganin are used for making standard resistors?

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