Question

Wires used in electricity transmission are mostly made up of copper and aluminium. Give reason

Answer 1

The first & foremost reason for using copper & aluminium wires for transmission of electric current is - both Cu & Al are good conductors of electricity. That is they don't offer much resistance to the flow of electricity. Second reason is that both metals are very ductile rendering them to be drawn into thin wires .

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Answer 2

Copper and aluminium wire are good conductors of electricity which pass electricity.