A zener diode is used as ______________?
Correct answer: B. a voltage regulator
- A. an amplifier
- B. a voltage regulator
- C. a rectifier
- D. a multivibrator
Explanation
A Zener diode is operated in its controlled reverse-breakdown region, where it maintains an approximately constant voltage across a load. This makes it useful as a voltage regulator rather than as an amplifier or multivibrator.
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