What is a Zener diode? How does a Zener diode work? Why it is used as a voltage regulator? Answer: Zener diode A scientist Zener invented the properties of the Zener diode that’s why it is named after him. It is nothing but a simple diode connecting in reverse bias. So the Zener diode is a PN junction diode that flows currently in the forward direction similarly to the … [Read more...] about What is a Zener Diode? How does a Zener diode work?