Advanced Qualification · A-002 Advanced components and circuits · A-002-002-009
A Zener diode is a device used to:
- A dissipate voltage
- B decrease current
- C increase current
- D regulate voltage
Correct answer: D — regulate voltage. From the official ISED question bank, verified word for word.
Why
A Zener diode is designed to maintain a steady voltage level across its terminals, even when the current flowing through it changes, which is the definition of regulating voltage. The full explanation — and one for every question — is in Pro.
Practise this section
Advanced components and circuits: semiconductors, amplifier classes, oscillators, mixers, filters and digital logic.