In electrical wires copper is used for electrical conduction mainly because:
A
It has a high melting point
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B
It is cheaper
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C
It is very durable
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D
It has low electrical resistivity
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Solution
The correct option is D It has low electrical resistivity In electrical wires copper is used for electrical conduction mainly because it has low electrical resistivity. Only silver has lower resistance than it but that's metal is expensive as compare to copper