1. Materials which do not allow electricity or electric current to pass through them are known as insulators. Rubber, wood, glass, plastic, pure water and dry air are examples of insulators.

    Materials which do not allow electricity or electric current to pass through them are known as insulators. Rubber, wood, glass, plastic, pure water and dry air are examples of insulators.

    See less
    • 12
  2. Conductors are materials which allow electricity to pass through them. All metals can conduct electricity such as copper, aluminium, iron, gold, etc. Few non-metals such as graphite can also conduct electricity.

    Conductors are materials which allow electricity to pass through them. All metals can conduct electricity such as copper, aluminium, iron, gold, etc. Few non-metals such as graphite can also conduct electricity.

    See less
    • 12
  3. The energy which is flowing through metallic wires is called electric current.

    The energy which is flowing through metallic wires is called electric current.

    See less
    • 11