Get Mystery Box with random crypto!

Q) Which of the following material has nearly zero temperature | كهرباء - ميكانيك - اتصالات - IT

Q) Which of the following material has nearly zero temperature co-efficient of resistance ?
A) copper
B) carbon
C) porcelain
D) manganin.

Ans:A
In manganin, there is no change in resistance with the change in temperature. Hence, it has nearly zero temperature co-efficient of resistance.

@mc4eng_2 #المبدعون_للهندسة