What does a rectifier do?

A rectifier is a crucial component in electrical engineering that transforms alternating current (AC) into direct current (DC). This process is essential in various applications, especially in the beauty and wellness industry, where most devices require direct current for operation.

In the context of how a rectifier works, alternating current is characterized by a bidirectional flow of electric charge, meaning the current alternates direction periodically. In contrast, direct current flows in a single direction. The rectifier facilitates this one-way flow of electricity by using diodes or other components that allow current to flow in only one direction while blocking the reverse flow.

This conversion is fundamental because many beauty devices, such as hair dryers, straighteners, and other electrical tools, operate more effectively on direct current. The ability to convert AC to DC ensures these devices run safely and efficiently without damage or inconsistent performance.