Check sibling questions

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

 

Answer

Metal wires usually have a coating of PVC .

PVC is a non-metal that provides protection against electrical current. 

So, the correct answer is (c) PVC

Are ads bothering you?

CA Maninder Singh's photo - Expert in Practical Accounts, Taxation and Efiling

Made by

CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo