why is constantan or manganin used for making standarad resistors?Give two reasons

Asked by  | 25th Jul, 2012, 12:57: PM

Expert Answer:

becoz they have:
1. high resistivity
2. lesser temperature coefficient of resistance ...so their resistance is not much affected by temperature increase or decrease

Answered by  | 25th Jul, 2012, 02:46: PM

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