LED lights will only work if the current is flowing in one direction. Which type of current would be best for powering an LED light bulb? A.
Alternating current (AC) because with AC, the current flows steadily in one direction.

B.
Direct current (DC) because with DC, the current flows steadily in one direction.

C.
Direct current (DC) because DC provides more power but over shorter distances.

D.
Alternating current (AC) because with AC, the current periodically reverses.