Q1142
Alternating current is converted into direct current by a
A.
Transformer
B.
Dynamo
C.
Oscillator
D.
Rectifier
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification, since it "straightens" the direction of current.