Advertisements
Advertisements
Question
Why is a zener diode considered as a special purpose semiconductor diode?
Advertisements
Solution
Zener diode works only in reverse breakdown region that’s why it in considered as a special purpose semiconductor.
RELATED QUESTIONS
In the following diagram, is the junction diode forward biased or reverse biased ?
The plate current in a diode is 20 mA when the plate voltage is 50 V or 60 V. What will be the current if the plate voltage is 70 V?
Find the values of rp, µ and gm of a triode operating at plate voltage 200 V and grid voltage −6. The plate characteristics are shown in the figure.

Diffusion in a p-n junction is due to ______.
What are the applications of p - n Junction diode?
Avalanche breakdown is due to ______.
In Figure, Vo is the potential barrier across a p-n junction, when no battery is connected across the junction ______.

Consider an npn transistor with its base-emitter junction forward biased and collector base junction reverse biased. Which of the following statements are true?
- Electrons crossover from emitter to collector.
- Holes move from base to collector.
- Electrons move from emitter to base.
- Electrons from emitter move out of base without going to the collector.
Can the potential barrier across a p-n junction be measured by simply connecting a voltmeter across the junction?
Draw the circuit arrangement for studying V-I characteristics of a p-n junction diode in (i) forward biasing and (ii) reverse biasing. Draw the typical V-I characteristics of a silicon diode.
