Give reasons.1. Metallic wires have a coating of plastic over them. Why?
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Most electrical wire is covered in a rubber or plastic coating called insulation. ... The purpose of insulation covering the metal part of an electrical wire is to prevent accidental contact with other conductors of electricity, which might result in an unintentional electric current through those other conductors.
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To prevent accidentally contact with conductors of electricity which might result in unintentional
electric conductor to those other conductors.
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