Current Electricity Part 1

Section: Physics

Question : 33 of 100

Marks: +1, -0

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

[Main 16 April 2018 S1]

0.5×10−4°C−1
5×10−4°C−1
1×10−4°C−1
2×10−4°C−1

Validate

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