Question

give reason i) electric wire are made of copper ​

Answer 1

copper is good conductor of electricity and also have low resistivity so copper is usually used for electric wire.
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Answer 2

$hello \: mate$

➡We know that silver is the best conductor of electricity.

But at the same time, is very expensive.

➡Copper and aluminium are nearly as good conductors of electricity as silver.

➡They are also cheaper than silver.

➡Copper is highly ductile, is lightweight and has high tensile strength as well.

➡Thus, copper is preferred for making electrical wires.