Question

What are Insulators?​

Answer 1

Answer:

The substance which does not the passing of heat

Answer 2

$\huge\red{Insulator}$

An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field. Some materials such as glass, paper and Teflon, which have high resistivity, are very good electrical insulators.