Question

why copper and aluminium are used in electric wiring​

Answer 1

Copper is a very good electrical conductor. This means that the resistance of a length of copper cable is relatively low. An aluminium cable would have nearly twice the resistance of a copper cable with the same dimensions. Therefore the energy losses in the aluminium cable will be higher than in the copper cable. The copper cable is more energy efficient.

Answer 2

As Copper and Aluminium are Metals .

And metals are good conductor of electricity .

So they are used in electric wiring .

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