Multiple choice

Rectifiers are used to convert

  1. Low voltage to high voltage

  2. High voltage to low voltage

  3. D.C. to A.C.

  4. A.C. to D.C.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Rectifiers convert alternating current (A.C.) to direct current (D.C.) using diodes that allow current flow in only one direction.