Power Electronics

Power Electronics

University

40 Qs

quiz-placeholder

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Power Electronics

Power Electronics

Assessment

Quiz

Other

University

Practice Problem

Medium

Created by

sridhar yadav

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40 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the ___________ type of chopper, two stage conversions takes place.

AC-DC

AC link

DC link

None of the mentioned

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Choppers is..................converter

AC -DC

DC-AC

AC-AC

DC-DC

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A chopper may be thought as a

Inverted with DC input

DC equivalent of an AC transformer

Diode rectifier

DC equivalent of an induction motor

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which device can be used in a chopper circuit?

BJT

MOSFET

GTO

ALL THE ABOVE

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the duty cycle of a chopper ?

Ton/Toff

Ton/T

T/Ton

Toff x Ton

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The load voltage of a chopper can be controlled by varying the..................

duty cycle

firing angle

reactor position

extinction angle

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The values of duty cycle (α) lies between..........

1<α<100

0<=α<=1

0>α>-1

0<α<1

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