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iron is not used in making electrical wires reason being 1. it is very brittle in nature and 2. it gets corroded when comes in contact with oxygen in nature

Iron also has 5 1/2 times more resistance than the same size copper wire, so it will (a) get 5 1/2 times hotter, and (b) have 5 1/2 times more voltage losses, when carrying the same current as the copper wire. A minor consideration is that the iron will also strengthen the magnetic fields associated with high currents, and may require more substantial mounting methods for iron wires.

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10y ago

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