PN junction

PN junction

University

10 Qs

quiz-placeholder

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PN junction

PN junction

Assessment

Quiz

Physics

University

Medium

Created by

Rakhikrishna R

Used 5+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A full wave bridge rectifier has an efficiency of ------

100

91.2

81.2

40.6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A zener diode is used as a ......

rectifier

amplifier

oscillator

voltae regulator

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A device that convert ac into dc is known as ....

rectifier

amplifier

oscillator

voltage regulator

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Barrier potential of germanium diode at room temperature is

0.3 V

0.5 V

0.7 V

0.9 V

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ripple factor of a half wave rectifier is

0.12

0.48

1.21

1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a transistor emittor base junction has

zero resistance

low resistance

high resistance

infinite resistance

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Collector of a transistor will be

less doped

moderately doped

heavily doped

without doped

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