Ace the West Virginia Barber Written Exam 2025 – Shape Up for Success!

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What function does a rectifier perform in an electrical circuit?

Amplifies DC voltage

A rectifier is a device that converts alternating current (AC) to direct current (DC) in an electrical circuit. It does not amplify DC voltage, change AC voltage levels, or change DC to AC. Therefore, the correct answer is that a rectifier changes AC to DC.

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Changes AC to DC

Converts AC voltage levels

Changes DC to AC

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