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Electrical wires have a coating of an insulating materials. The material, generally used is (a) sulphur (b) graphite (c) PVC (d) none of these

Electrical wires have a coating of an insulating materials. The material, generally used is
(a) sulphur
(b) graphite
(c) PVC
(d) none of these

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60782 Points
2 years ago
(c)

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