Copper and Aluminium wires are employed for Electrical transmission
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Copper and aluminium wires are generally used for electricity transmission as they have low resistivity. Low resistivity decreases the resistance and hence increases the amount of current in the circuit. Therefore, they are good conductors of electricity. Silver has the least resistivity but is still, rarely used due toits high cost. Copper and aluminium are relatively cheap and easily accessible.
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They are good conductor of electricity and have low resistivity.
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