Question

Why does the cord of an electric oven not glow while its heating element does

Answer 1

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.

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Answer 2

Answer:

Explanation:

Now the heater element has very high resistance so a lot of heat is produced in the heater element due to which it becomes very hot and glow. On the other hand,the cord of an elecric heater has very low resistance due to which very little heat is produced in it and so the cord becomes slightly warm but doesn 't glow.

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