A heating element has a resistance of 100 `Omega` at room temperature.
Channel: Doubtnut
Date: 03/01/2020

A heating element has a resistance of 100 `Omega` at room temperature. When it is connected to a supply of 220 V, a steady current of 2A passes in it and temperature is `500^(@)C` more than room temperature. What is the temperature coefficient of resistance of the heating element ?