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.

Answer: (a). In reverse bias, at breakdown the voltage stays fixed at VZ over a wide range of current, so it regulates voltage. In forward bias it conducts like an ordinary p-n junction diode. So the answer is (a).

Choose the correct statement about Zener diode: | MHT CET 2026 (13 Apr, Shift 2)

Q3MHT CET 2026 · 13 APR · SHIFT 2Easy

Special Purpose Diodes

Choose the correct statement about Zener diode:

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Answer: (a)

In reverse bias, at breakdown the voltage stays fixed at $V_Z$ over a wide range of current, so it regulates voltage.
In forward bias it conducts like an ordinary p-n junction diode.
So the answer is (a).

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