This page contains polls dedicated to How does electricity produce heat and light?.
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A good conductor such as copper has only very low electrical resistance. It does not get very hot when electricity flows though it, making copper suitable for household wiring.

Other metals such as iron and nickel have much greater resistance to the passage of electricity, so they become hot. A very thin wire has more resistance than a thick one, and a long wire has more resistance than a short wire. In an electric fire, coils of thin, high-resistance wire glow and produce heat when an electr read more...

Tags: conductor, metals

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