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Constantan is an alloy of copper and...

Constantan is an alloy of copper and _____

A

aluminium

B

tin

C

Nickel

D

iron

Text Solution

Verified by Experts

The correct Answer is:
C
Constantan is a copper-nickel alloy also known as Eureka, Advance, and Ferry. It usually consists of 55% copper and 45% nickel. Its main feature is the low thermal variation of its resistivity, which is constant over a wide range of temperatures.
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