A zener diode is frequently utilized as ______________?
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Answer: B. a voltage regulator
Explanation
Zener diodes maintain a remarkably stable voltage drop across their terminals while operating in reverse breakdown. This constant voltage property allows them to absorb supply fluctuations and provide a steady reference output. Consequently, a Zener diode is frequently utilized as a reliable voltage regulator in electronic circuits. Voltage regulators maintain a constant DC output voltage regardless of changes in input voltage or load current. Zener regulation circuits typically consist of the Zener diode connected in parallel with the load via a resistor. Power dissipation limits must be respected to prevent thermal destruction of the Zener voltage reference element.
An amplifier requires active transistors or vacuum tubes capable of increasing signal power rather than clamping voltage. A rectifier converts alternating current to direct current, whereas Zeners regulate existing direct current levels. A multivibrator is a switching oscillator circuit used for generating square wave pulses rather than regulating voltage.
- Subject
- Engineering
- Category
- Electrical Engineering
- Topic
- —
- Difficulty
- medium
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