why copper wires are coated with plastic?
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Answer:
Copper wires are usually covered with rubber or plastics to prevent shocks and ensure safety. Because plastics and rubbers are insulators of electricity i.e. they cannot conduct electricity.
Explanation:
Electric wires and cables are coated with substance like PVC to prevent from electric shock since PVC is insulator pad conductor of electricity). and it does not conduct electricity it is therefore on excellent material to use for electrical applications such as insulation sheathing for cables.
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because copper is good conductor of electricity
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