Voltage Regulators - Chapter 17

Voltage Regulators - Chapter 17

University

18 Qs

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Voltage Regulators - Chapter 17

Voltage Regulators - Chapter 17

Assessment

Quiz

Engineering

University

Practice Problem

Medium

Created by

Najib AL-Fadhali

Used 2+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the main function of a voltage regulator?

Increase the input voltage

Maintain a constant DC output voltage

Convert AC voltage to DC voltage

Reduce power consumption

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Where is a voltage regulator typically placed in a power supply?

Before the rectifier

After the rectifier or battery

In parallel with the load

Between the transformer and rectifier

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is NOT a type of voltage regulator?

Series regulator

Shunt regulator

Switching regulator

Pulse regulator

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which series of voltage regulators provides a negative voltage output?

78xx

79xx

LM317

LM340

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the output voltage of a 7805 voltage regulator?

-5V

+5V

+9V

-9V

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is line regulation?

The ability of a regulator to maintain output voltage despite changes in input voltage

The ability of a regulator to maintain output voltage despite changes in load current

The ability of a regulator to supply power to multiple loads

The ability of a regulator to convert AC to DC

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What does a lower line regulation percentage indicate?

Better voltage stability

Poor voltage stability

Higher output fluctuation

Increased power dissipation

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