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POWER AMPLIFIERS AND DC/DC CONVERTERS

Authored by HOD ECE

Physics

1st Grade

POWER AMPLIFIERS AND DC/DC CONVERTERS
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a power amplifier?

To convert AC to DC

To reduce the voltage of a signal

To decrease the power of a signal

To increase the power of a signal

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can you name one example of a power amplifier?

Passive power amplifier

RF power amplifier

Digital power amplifier

Audio power amplifier

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does DC/DC converter do?

Converts DC voltage from one level to another

Converts AC voltage to DC voltage

Regulates the frequency of DC voltage

Converts digital signals to analog signals

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a DC/DC converter differ from a power amplifier?

They serve different purposes.

DC/DC converters are only used in cars

They are both used for audio amplification

Power amplifiers are only used in electronic devices

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main function of a DC/DC converter?

To convert one DC voltage to another DC voltage

To amplify the input voltage

To regulate the frequency of the input voltage

To convert AC voltage to DC voltage

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can you give an example of a device that uses a DC/DC converter?

Refrigerator

Mobile phone

Toaster

Television

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between an AC/DC converter and a DC/DC converter?

One is used for cooking and the other for cleaning

AC/DC converters are for superheroes and DC/DC converters are for villains

The difference is in the color of the casing

The main difference is in the type of current they convert.

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