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Constantan wire is used in making standard resistances because its

a)

Specific resistance is low

b)

Density is high

c)

Temperature coefficient of resistance is negligible

d)

Melting point is high



Question ID - 150314 | SaraNextGen Top Answer

Constantan wire is used in making standard resistances because its

a)

Specific resistance is low

b)

Density is high

c)

Temperature coefficient of resistance is negligible

d)

Melting point is high

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Due to the negligible temperature co-efficient of resistance of constantan wire, there is no change in it’s resistance value with change in temperature

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