Question

It is found that the resistance of a coil
increases from 25 ohm at 20°C to 29
ohm at 60°C. Calculate the temperat-
ure coefficient of resistance at 15°C of
the conductor material.​

Answer 1

Answer:

The resistance of a wire at 20C is 20 ohms and at 500C is 60 ohms. At which temperature its resistance will be 25 ohm?

Explanation:

ans is 80°C