Practice Quiz in Power Amplifiers Part 6

Online Practice Quiz in Power Amplifiers part 6 from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Practice Quiz in Power Amplifiers
This is the Online Practice Quiz in Power Amplifiers Part 6 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.

Continue Part VI of the Online Practice Quiz

Quiz in Power Amplifiers

Question 51. The greater the power handled by the power transistor, _____ the case temperature.

A. the higher

B. the lower

C. there is no change in

D. None of these


Question 52. In class B operation, the current drawn from a single power supply has the form of _____ rectified signal.

A. a full-wave

B. a half-wave

C. both a full-wave and a half-wave

D. None of these


Question 53. Improvement in production techniques of power transistors have _____.

A. produced higher power ratings in small-sized packaging cases

B. increased the maximum transistor breakdown voltage

C. provided faster-switching power transistors

D. All of these


Question 54. In a class A transformer-coupled amplifier, the _____ the value of VCEmax and the _____ the value of VCEmin, the _____ the efficiency to (from) the theoretical limit of 50%.

A. larger, smaller, farther

B. larger, smaller, closer

C. smaller, larger, closer

D. None of these


Question 55. In a class A transformer-coupled power amplifier, _____ winding resistance of the transformer determine(s) the dc load line for the circuit.

A. the ac

B. the dc

C. both the ac and dc

D. neither the ac nor dc


Question 56. In _____ power amplifiers, the output signal varies for a full 360º of the cycle.

A. class A

B. class B or AB

C. class C

D. class D


Question 57. _____ transistors can be used to build a class B amplifier.

A. npn and pnp

B. nMOS and pMOS

C. Both npn and pnp or nMOS and pMOS

D. None of these


Question 58. _____ amplifiers have the highest overall efficiency.

A. Class A

B. Class B or AB

C. Class C

D. Class D


Question 59. The amount of power dissipated by the transistor is the _____ of that drawn from the dc supply (set by the bias point) and the amount delivered to the ac load.

A. product

B. difference

C. average

D. None of these


Question 60. In Fourier technique, any periodic distorted waveform can be represented by _____ the fundamental and all harmonic components.

A. multiplying

B. subtracting

C. dividing

D. adding

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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