Question

8. The alloys constantan and manganin are used
to make standard resistances due to the fact
that they have​

Answer 1

Answer:

They are least affected by atmospheric conditions like, temperature, moisture, air, etc.. Alloys like constantan and manganin are used to make standard resistance coils because: 1. They have a very high value of resistivity.

Explanation:

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Answer 2

Explanation:

The alloys constantan and manganin are used  to make standard resistances due to the fact  that they have​ 'High resistivity and negligibly small temperature co-efficient of resistance'.

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