Ham Radio General Class Practice Test 2025 – Complete Exam Prep

Question: 1 / 545

Which symbol is commonly used to represent a Zener diode?

Symbol 4

Symbol 1

Symbol 11

Symbol 5

The commonly used symbol for a Zener diode is characterized by a standard diode symbol with an additional feature that indicates its Zener function. Specifically, the Zener diode symbol typically includes a flat line at the end of the diode's arrow, distinguishing it from a regular diode. This design represents the diode's ability to conduct in reverse breakdown mode when the specified Zener voltage is reached.

The context of the other symbols might correspond to different types of components. For instance, standard diodes and other electronic components, such as regular rectifier diodes or various types of transistors, utilize different structures that lack the unique flatline indicating a Zener diode's specific function of voltage regulation. By recognizing the correct representation, one gains an understanding of circuit diagrams and how Zener diodes incorporate voltage stability within electronic designs.

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