Question

Choose the correct statement about Zener diode:

• A. It works as a voltage regulator in reverse bias and behaves like simple pn junction diode in forward bias.
• B. It works as a voltage regulator in both forward and reverse bias.
• C. It works a voltage regulator only in forward bias.
• D. It works as a voltage regulator in forward bias and behaves like simple pn junction diode in reverse bias.

Hint:

A Zener diode regulates voltage in reverse breakdown and acts like an ordinary diode in forward bias.

Answer 1

The Correct Option is A

Step 1: Idea:
Remember its circuit symbol and use: it is connected in reverse to hold a steady output voltage.

Step 2: Result:
Only statement A matches this use. The other statements put the regulating action in forward bias.

Final Answer:
A Zener diode regulates in reverse bias and acts as a normal diode in forward bias, option (A). \[ \boxed{\text{Option (A)}} \]