Why electricity can pass through conducter, not by  insulator?? 

Asked by 2ritamjha2018 | 28th Mar, 2020, 07:42: PM

Expert Answer:

For flow of electtons free elctrons are required.
Insulators do not have free electrons. Electrons are tightly bound in insulators thus, electricity do not flow in insulators. 

Answered by Shiwani Sawant | 28th Mar, 2020, 09:44: PM