Q.

What is the name of the device used to convert alternating cur-rent into direct current?

A. Amreter
B. Galvanometer
C. Rectifier
D. Transformer
Answer» C. Rectifier
Explanation: 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.
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