Which of the following diodes is used in voltage-regulation circuits?
Show Hint
- Photodiode
- Light Emitting Diode (LED)
- Tunnel diode
- Zener diode
The Correct Option is D
Solution and Explanation
Zener diodes are designed to operate in the reverse breakdown region, maintaining a constant output voltage across a load. Features include:
• Reverse breakdown voltage: The voltage at which the diode allows significant reverse current without damage.
• Voltage regulation: Zener diodes are widely used in power supplies to stabilize output voltage.
• Protection: They safeguard sensitive components from voltage surges.
This makes Zener diodes indispensable in voltage-regulation circuits.
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