Module 4 Electronic Fundamentals Practice Questions - UK CAA Part-66 AME Module 4 - Electronic Fundamentals Exam

How does a Zener diode maintain a constant voltage across its terminals when connected in a voltage regulator circuit?

By operating in its forward conduction region above 0.7 V By operating in its reverse breakdown region above its specified Zener voltage By varying its internal capacitance in proportion to input frequency By acting as an open circuit whenever input voltage rises

Correct Answer:

By operating in its reverse breakdown region above its specified Zener voltage

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