Zener Diode

IMPORTANT

Zener Diode: Overview

This topic covers concepts, such as Zener Diode, Peak Inverse Voltage, Avalanche Diode, Zener Effect, V-I Characteristics of a Zener Diode, Zener Diode as Voltage Stabiliser, Applications of Zener Diode, Field Ionisation, etc.

Important Questions on Zener Diode

MEDIUM
IMPORTANT

Which of the following is/are correct

(i) The symbol  for zener diode is

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(ii) The reverse I – V characteristics of a zener diode.

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MEDIUM
IMPORTANT

The following IV characteristics. Curve is of a:

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HARD
IMPORTANT

Consider the voltage regulation circuit shown below. The unregulated voltage varies between 9 V to 12 V.

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At what value of the unregulated voltage, the currents through the load resistor and Zener diode will be equal?

EASY
IMPORTANT

How does peak inverse voltage affect rectifier?

EASY
IMPORTANT

How do you find peak inverse voltage?

EASY
IMPORTANT

What is peak inverse voltage and its importance?

EASY
IMPORTANT

What is the value of dynamic impedance of parallel r l/c circuit at resonance?

EASY
IMPORTANT

How do you calculate dynamic forward resistance?

EASY
IMPORTANT

How does dynamic impedance vary with Zener current?

EASY
IMPORTANT

What is avalanche effect in semiconductor?

EASY
IMPORTANT

Who discovered Zener effect?

EASY
IMPORTANT

What is the difference between Zener effect and Avalanche effect?

EASY
IMPORTANT

What is breakdown voltage and peak inverse voltage?

EASY
IMPORTANT

What is Zener dynamic impedance?

EASY
IMPORTANT

What is Zener effect?

EASY
IMPORTANT

Why zener diode is used in voltage regulator?
 

EASY
IMPORTANT

What is the most common application of Zener diode?
 

EASY
IMPORTANT

A Zener diode is used as a voltage regulator in _____ biased mode.

EASY
IMPORTANT

A Zener diode is used as a voltage regulator in reverse biased mode.

EASY
IMPORTANT

For a p-n junction normal diode and a Zener diode, which of the following statements is true?