You must have seen that the wires that carry current in your homes have a coating of polyvinylchloride (pvc) or a rubber-like material. Why are electric wires coated with such substances?
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? PVC is short form of Poly vinyl Chloride. It is a polymer which is an insulator which means it does not allow electricity to pass through it.
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PVC are bad conductor of electricity. They doesn't allow current to pass through them.
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