Industrial Maintenance Technician Practice Test

Question: 1 / 400

How is a Zener diode primarily characterized?

As a power device

As a high-frequency switch

By its ability to control voltage

A Zener diode is primarily characterized by its ability to control voltage. Unlike standard diodes that primarily allow current to flow in one direction with a specific forward voltage drop, Zener diodes are designed to operate in the reverse breakdown region. When reverse-biased beyond a certain voltage, known as the Zener voltage, these diodes allow current to flow while maintaining a stable output voltage. This voltage regulation capacity makes Zener diodes highly valuable in circuits where stable voltage levels are essential, such as in power supplies and voltage reference applications.

This capability is fundamental to the operation of Zener diodes and underpins their use in various electronic applications. Therefore, understanding this distinction is crucial for anyone studying or working in the field of industrial maintenance and electronics.

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By high current carrying capacity

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