Question

What does the cord of an electric heater not glow while the heating element does ?

Answer 1

Ans: The heating element of the heater is made up of alloy which has very high resistance so when current flows through the heating element, it becomes too hot and glows red. But the resistance of cord which is usually of copper or aluminium is very law so it does not glow.

I hope my answers Is correct

Answer 2

Hey here is ur answer

Chord of an electric heater is made up of copper which has low resistance due to which it does not glow while the heating element is made up of alloy which has very high resistance due to which it become hot and start glowing by heating effect of current .


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