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Intrinsic Semiconductor

Why copper wi...

Question

Why copper wires cannot be used as heating elements in electric heaters?

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Solution

Copper has little resistance, so it does not glow. Secondly its melting point is low.

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Q. Statement I: An electrical heater works on the principle of heating effect of electric current.
Statement II: Copper is used as a heating element in an electrical heater.

Q. Statement 1: Electric heater works on the principle of heating effect of current.
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Q. The heating element of an heating appliance such as electric room heater is made of nichrome alloy while the connecting wire is insulated copper wire.Why ?

Why does the connecting cord of an electric heater not glow hot while the heating element does?

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