Question
GeneralGeneralGeneral

What is meant by an insulating material?

Verified Answer

An insulating material is a substance that does not allow electric current to pass through it easily.

These materials have very few or no free electrons, which means electric charges cannot move freely within them. As a result, they offer high resistance to the flow of current.

Common examples of insulating materials include:

  • Rubber
  • Plastic
  • Glass
  • Dry wood

Insulators are essential in electrical systems as they are used to prevent electric shocks, avoid current leakage, and ensure safety, especially in wire coverings and electrical equipment.