Radio Amateur Quiz Canadian License

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Question A-004-004-011

In a regulated power supply, a diode connected across the input and output terminals of a regulator is used to:

Correct Answer

protect the regulator from reverse voltages

Explanation

A reverse-biased diode across a series pass regulator (e.g., from output to input of a positive regulator) protects it if the output voltage somehow exceeds the input voltage, which could damage the regulator.

Warning: Generated by AI