Textbook ExpertVerified Tutor
31 Oct 2021
Given information
It is known that the temperature coefficient of resistance carbon and Nichrome are and , respectively.
The total resistance is to be
Step-by-step explanation
Step 1.
The resistance R at temperature is correlated to the reference temperature and the resistance at that temperature is as,
Varying resistance with temperature is
Here, is the temperature coefficient of resistance of the given material
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