Why do we use copper and aluminum wires for transmission of electric current (answer with 6 valuable points
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because they are good counducter
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An aluminium wire have a 1.5 times larger cross section to pass the current as a copper wire .copper wire are two times lighter,weight is one of the most important parameters for high voltage power lines that transmit power over long distances,therefor only aluminium wire are used main overhead power line
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