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The rubber covering over a wire acts as a / an ?​
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The rubber covering over a wire acts as a / an ?​

User Dancreek
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Answer:

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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User Kuldeep
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