Question

a) Electric wires are made up of copper or aluminium.​

Answer 1

Answer:

Yes electric wire are made of copper and aluminium because they are good conductors of electricity and have negligible resistance in them. Eventhough silver is the best conductor, it's High in cost so we use the next best conductors that is copper and aluminium.

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Answer 2

Answer:

$yes \: electric \: wires \: are \: made \: up \: of \: both \:$

$copper \: and \: aluminium \: because \: they \: are$

$good \: conductors \: of \: electricity$