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Practice Quiz in Field Effect Transistor Amplifiers Part 2

(Last Updated On: February 3, 2020)
Practice Quiz in Field Effect Transistor Amplifiers

This is the Online Practice Quiz in Field Effect Transistor Amplifiers Part 2 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 II of the Online Practice Quiz

Quiz in Field Effect Transistor Amplifiers

Question 11. Which of the following is (are) related to depletion-type MOSFETs?

A. VGSQ can be negative, zero, or positive.

B. gm can be greater or smaller than gm0’.

C. ID can be larger than IDSS’.

D. All of these


Question 12. Use the following equation to calculate gm for a JFET having IDSS = 10 mA, VP = –5 V, and VGSQ = –2.5 V.

MCQs in FET Amplifiers Fig. 02

A. 2 mS

B. 3 mS

C. 4 mS

D. 5 mS


Question 13. For what value of ID is gm equal to 0.5 gm0?

A. 0 mA

B. 0.25 IDSS

C. 0.5 IDSS

D. IDSS


Question 14. Referring to the figure below, determine the output impedance for VGS = –3 V at VDS = 5 V.

MCQs in FET Amplifiers Fig. 05

A. 100 kΩ

B. 80 kΩ

C. 25 kΩ

D. 5 kΩ


Question 15. The more horizontal the characteristic curves on the drain characteristics, the ________ the output impedance.

A. less

B. same

C. greater

D. None of these


Question 16. For the fixed-bias configuration, if rd < 10 • RD, then Zo = ________.

A. RD

B. RD || rd

C. RG

D. -gm • (RD || rd)


Question 17. On which of the following parameters does rd have no or little impact in a source-follower configuration?

A. Zi

B. Zo

C. Av

D. All of these


Question 18. For an FET small-signal amplifier, one could go about troubleshooting a circuit by ________.

A. viewing the circuit board for poor solder joints

B. using a dc meter

C. applying a test ac signal

D. All of these


Question 19. What is the typical value for the input impedance Zi for JFETs?

A. 100 kΩ

B. 1 MΩ

C. 10 MΩ

D. 1000 MΩ


Question 20. Referring to this figure, calculate Zo if rd = 19 kΩ.

MCQs in FET Amplifiers Fig. 13

A. 1.75 kΩ

B. 1.81 kΩ

C. 1.92 kΩ

D. 2.00 kΩ

More Practice Quiz in Field Effect Transistor 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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