Q1220
A device used for converting a.c. into d.c. is called
A.
Transformer
B.
Rectifier
AnswerC.
Induction coil
D.
Dynamo
Answer: Option B
Solution
Answer: Option B
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.