Chapter 3 Electrical 2 quizz

Chapter 3 Electrical 2 quizz

University

54 Qs

quiz-placeholder

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Chapter 3 Electrical 2 quizz

Chapter 3 Electrical 2 quizz

Assessment

Quiz

Education

University

Practice Problem

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LAVANYA R

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54 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A transformer transfer

frequency
voltage
current
all of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a basic element of a transformer?

core
primary winding
secondary winding
mutual flux

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an ideal transformer

windings have no resistance
core has no losses
core has infinite permeability
all of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The main purpose of using core in a transformer is to

decrease iron losses
prevent eddy current loss
eliminate magnetic hysteresis
decrease reluctance of the common magnetic circuit

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Transformer cores are laminated inorder to

power
current
voltage
none of these

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The two windings of an ordinary transformer is

conductively linked
inductively linked
Not linked at all
electrically linked

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Transformer action requires a

constant magnetic flux
increasing magnetic flux
alternating magnetic flux
alternating electric flux

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