electrical cable insulation is an metal or nonmetal
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5
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In a conductor, electric current can flow freely, in an insulator it cannot. Metals such as copper typify conductors, while most non-metallic solids are said to be good insulators, having extremely high resistance to the flow of charge through them.
Therefore , non metals are used for electric cable insulation.
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25
Answer:
The electric wires are made of metals like copper and aluminium. because they are conductors but the outer covering of electric wires is made of plastic because it is an insulator.
nonmetals are used in electrical cable installation
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