Question

State the difference between AC and DC. (Support your answer with a diagram.)

Hint:

AC is more efficient for long-distance power transmission, while DC is ideal for portable devices.

Answer 1

The difference between AC (Alternating Current) and DC (Direct Current) is:

• AC: Current changes direction periodically. It is used for power transmission and household appliances.
• DC: Current flows in one direction. It is used in batteries and electronic devices.