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Question 33Electrical wires have a coating of an insulating material. The material, generally used is(a) Sulphur(b) Graphite(c) PVC(d) All can be used

Answer»

Question 33

Electrical wires have a coating of an insulating material. The material, generally used is

(a) Sulphur

(b) Graphite

(c) PVC

(d) All can be used





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