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

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class

Ask a doubt
Maninder Singh's photo - Co-founder, Teachoo

Made by

Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo