Zener Diode

Author:Asok Kumar Das & Chittaranjan Dasgupta
12th West Bengal Board
IMPORTANT

Important Questions on Zener Diode

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IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Electronic Devices>Zener Diode> Q 1

A series resistance is connected in zener circuit to

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A Text Book of PHYSICS PART 2 : CLASS 12>Electronic Devices>Zener Diode> Q 2

In breakdown region, Zener diode behaves as a

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A Text Book of PHYSICS PART 2 : CLASS 12>Electronic Devices>Zener Diode> Q 3

Why is there sudden increase in current in Zener diode ?

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A Text Book of PHYSICS PART 2 : CLASS 12>Electronic Devices>Zener Diode> Q 4

Draw the current versus voltage characteristic curve of a Zener diode. Indicate the position of Zener voltage. Draw a labelled circuit diagram of a dc voltage regulator using a Zener diode.

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A Text Book of PHYSICS PART 2 : CLASS 12>Electronic Devices>Zener Diode> Q 5

The output of an unregulated dc power supply needs to be regulated. Name the device that can be used for this purpose and draw the relevant circuit diagram.

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A Text Book of PHYSICS PART 2 : CLASS 12>Electronic Devices>Zener Diode> Q 6

Draw the forward and reverse characteristics of a Zener diode.

MEDIUM
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A Text Book of PHYSICS PART 2 : CLASS 12>Electronic Devices>Zener Diode> Q 7

Name the device, which is used as a voltage regulator. Draw the necessary circuit diagram and explain its working.

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IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Electronic Devices>Zener Diode> Q 8

Draw the voltage‐current characteristic of a zener diode.

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A Text Book of PHYSICS PART 2 : CLASS 12>Electronic Devices>Zener Diode> Q 9

What is Zener breakdown?