Exam-style question
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Describe the operation of a Zener diode in reverse breakdown.
Model answer
What a good answer should say
- A Zener diode allows current to flow in the reverse direction when the voltage exceeds a certain threshold known as the Zener breakdown voltage.
- This characteristic makes it useful for voltage regulation, as it can maintain a stable output voltage despite variations in input voltage.
Explanation
Why this works
This answer effectively describes the key function of a Zener diode in reverse breakdown, testing the understanding of its operational principles. It highlights the importance of the Zener breakdown voltage in its application as a voltage regulator.
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