Question

Which of the following is a good conductor of electricity?

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

Answer 1

Answer: (A), (C), (D)

The correct options are
A

Conductor

C

Electric switch

D

All of these

Iron, copper and aluminium are good conductors of electricity because the electrons in these materials are relatively free and can drift in a given direction when an electric potential is applied to its ends.