# Practice Quiz in Power Amplifiers Part 1

Online Practice Quiz in Power Amplifiers part 1 from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

This is the Online Practice Quiz in Power Amplifiers Part 1 from the book, Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad. If you are looking for a reviewer in Electronics Engineering this will definitely help. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam.

### Start Part I of the Online Practice Quiz

#### Quiz in Power Amplifiers

Question 1. This is an example of the output swing for a class _____ amplifier.

A. A

B. B

C. AB

D. C

E. D

Question 2. Class B operation is provided when the dc bias leaves the transistor biased just off, the transistor turning on when the ac signal is applied.

A. True

B. False

Question 3. Which of the power amplifiers has the lowest overall efficiency?

A. Class A

B. Class B or AB

C. Class C

D. Class D

Question 4. Which operation class is generally used in radio or communications?

A. A

B. B

C. AB

D. C

E. D

Question 5. What is the ratio of the secondary voltage to the primary voltage with the turn ratio in the winding?

A. N2/N1

B. (N1/N2)2

C. (N1/N2)1/3

D. N1 × N2

Question 6. Which type of power amplifier is biased for operation at less than 180Âº of the cycle?

A. Class A

B. Class B or AB

C. Class C

D. Class D

Question 7. Which of the push-pull amplifiers is presently the most popular form of the class B power amplifier?

A. Quasi-complementary

B. Transformer-coupled

C. Complementary-symmetry

D. None of these

Question 8. _____ amplifiers primarily provide sufficient power to an output load to drive a speaker from a few watts to tens of watts.

A. Small-signal

B. Power

C. Frequency

D. None of these

Question 9. Which of the following instruments displays the harmonics of a distorted signal?

A. Digital multimeter

B. Spectrum analyzer

C. Oscilloscope

D. Wave analyzer

Question 10. Which type of amplifier uses pulse (digital) signals in its operation?

A. Class A

B. Class B or AB

C. Class C

D. Class D

### More Practice Quiz in Power Amplifiers

Practice Quiz Part 1

Practice Quiz Part 2

Practice Quiz Part 3

Practice Quiz Part 4

Practice Quiz Part 5

Practice Quiz Part 6

### See: Complete List of Practice Quizzes

Note: After taking this particular quiz, you can proceed to check all the topics.

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