Question

Which of the following are not good conductors of electricity?

• A. Conductor
• B. Insulator
• C. Electric switch
• D. All of these

Answer 1

Answer: (A), (B), (C)

The correct options are
A

Conductor

B

Insulator

C

Electric switch

Iron is a good conductor of electricity because it has free moving electrons whereas materials like wool, glass and diamond do not allow electric current to pass through it.