Which among the following alloys is used making instruments for electrical measurnments?
Which among the following alloys is used making instruments for electrical measurnments?
A. Stainless steel
B. Manganin
C. Spiegeleisen
D. Duralumin
4 views
1 Answers
Correct Answer - B
Manganin containing `Cu(84%), Mn(12%)` and `Ni(4%)` has almost zero temperature coefficient of electrical resistance and hence used in instrument used for making electrical measurnment.
4 views
Answered