You dont have javascript enabled! Please enable it! Malvino: MCQ in Negative Feedback
adplus-dvertising

Malvino: MCQ in Negative Feedback

(Last Updated On: February 6, 2020)
MCQs in Negative Feedback

This is the Multiple Choice Questions in Chapter 19: Negative Feedback from the book Electronic Principles 7th Edition by Albert Malvino. 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.

Topic Outline

  • MCQs in Four Types of Negative Feedback
  • MCQs in VCVS Voltage Gain
  • MCQs in ICVS Amplifier
  • MCQs in VCIS Amplifier
  • MCQs in ICIS Amplifier
  • MCQs in Bandwidth

Start Practice Exam Test Questions

Choose the letter of the best answer in each questions.

1. With negative feedback, the returning signal

  • a. Aids the input signal
  • b. Opposes the input signal
  • c. Is proportional to output current
  • d. Is proportional to differential voltage gain

2. How many types of negative feedback are there?

  • a. One
  • b. Two
  • c. Three
  • d. Four

3. A VCVS amplifier approximates an ideal

  • a. Voltage amplifier
  • b. Current-to-voltage converter
  • c. Voltage-to-current converter
  • d. Current amplifier

4. The voltage between the input terminals of an ideal op amp is

  • a. Zero
  • b. Very small
  • c. Very large
  • d. Equal to the input voltage

5. When an op amp is not saturated, the voltages at the non-inverting and inverting inputs are

  • a. Almost equal
  • b. Much different
  • c. Equal to the output voltage
  • d. Equal to +15 V

6. The feedback fraction B

  • a. Is always less than 1
  • b. Is usually greater than 1
  • c. May equal 1
  • d. May not equal 1

7. An ICVS amplifier has no output voltage. A possible trouble is

  • a. No negative supply voltage
  • b. Shorted feedback resistor
  • c. No feedback voltage
  • d. Open load resistor

8. In a VCVS amplifier, any decrease in open-loop voltage gain produces an increase in

  • a. Output voltage
  • b. Error voltage
  • c. Feedback voltage
  • d. Input voltage

9. The open-loop voltage gain equals the

  • a. Gain with negative feedback
  • b. Differential voltage gain of the op amp
  • c. Gain when B is 1
  • d. Gain at funity

10. The loop gain AOLB

  • a. Is usually much smaller than 1
  • b. Is usually much greater than 1
  • c. May not equal 1
  • d. Is between 0 and 1

11. The closed-loop input impedance with an ICVS amplifier is

  • a. Usually larger than the open-loop input impedance
  • b. Equal to the open-loop input impedance
  • c. Sometimes less than the open-loop impedance
  • d. Ideally zero

12. With an ICVS amplifier, the circuit approximates an ideal

  • a. Voltage amplifier
  • b. Current-to-voltage converter
  • c. Voltage-to-current converter
  • d. Current amplifier

13. Negative feedback reduces the

  • a. Feedback fraction
  • b. Distortion
  • c. Input offset voltage
  • d. Loop gain

14. A voltage follower has a voltage gain of

  • a. Much less than 1
  • b. 1
  • c. More than 1
  • d. A

15. The voltage between the input terminals of a real op amp is

  • a. Zero
  • b. Very small
  • c. Very large
  • d. Equal to the input voltage

16. The transresistance of an amplifier is the ratio of its

  • a. Output current to input voltage
  • b. Input voltage to output current
  • c. Output voltage to input voltage
  • d. Output voltage to input current

17. Current cannot flow to ground through

  • a. A mechanical ground
  • b. An ac ground
  • c. A virtual ground
  • d. An ordinary ground

18. In a current-to-voltage converter, the input current flows

  • a. Through the input impedance of the op amp
  • b. Through the feedback resistor
  • c. To ground
  • d. Through the load resistor

19. The input impedance of a current-to-voltage converter is

  • a. Small
  • b. Large
  • c. Ideally zero
  • d. Ideally infinite

20. The open-loop bandwidth equals

  • a. funity
  • b. f2(OL)
  • c. funity/ACL
  • d. fmax

21. The closed-loop bandwidth equals

  • a. funity
  • b. f2(OL)
  • c. funity/ACL
  • d. fmax

22. For a given op amp, which of these is constant?

  • a. f2(CL)
  • b. Feedback voltage
  • c. ACL
  • d. ACLf2(CL)

23. Negative feedback does not improve

  • a. Stability of voltage gain
  • b. Nonlinear distortion in later stages
  • c. Output offset voltage
  • d. Power bandwidth

24. An ICVS amplifier is saturated. A possible trouble is

  • a. No supply voltages
  • b. Open feedback resistor
  • c. No input voltage
  • d. Open load resistor

25. A VCVS amplifier has no output voltage. A possible trouble is

  • a. Shorted load resistor
  • b. Open feedback resistor
  • c. Excessive input voltage
  • d. Open load resistor

26. An ICIS amplifier is saturated. A possible trouble is

  • a. Shorted load resistor
  • b. R2 is open
  • c. No input voltage
  • d. Open load resistor

27. An ICVS amplifier has no output voltage. A possible trouble is

  • a. No positive supply voltage
  • b. Open feedback resistor
  • c. No feedback voltage
  • d. Shorted load resistor

28. The closed-loop input impedance in a VCVS amplifier is

  • a. Usually larger than the open-loop input impedance
  • b. Equal to the open-loop input impedance
  • c. Sometimes less than the open-loop input impedance
  • d. Ideally zero

Check your work.

Complete List of MCQs in Electronic Principles by Albert Malvino

Please do Subscribe on YouTube!

P inoyBIX educates thousands of reviewers and students a day in preparation for their board examinations. Also provides professionals with materials for their lectures and practice exams. Help me go forward with the same spirit.

“Will you subscribe today via YOUTUBE?”

Subscribe

What You Also Get: FREE ACCESS & DOWNLOAD via GDRIVE

TIRED OF ADS?

  • Become Premium Member and experienced fewer ads to ads-free browsing.
  • Full Content Access Exclusive to Premium members
  • Access to PINOYBIX FREEBIES folder
  • Download Reviewers and Learning Materials Free
  • Download Content: You can see download/print button at the bottom of each post.

PINOYBIX FREEBIES FOR PREMIUM MEMBERSHIP:

  • CIVIL ENGINEERING REVIEWER
  • CIVIL SERVICE EXAM REVIEWER
  • CRIMINOLOGY REVIEWER
  • ELECTRONICS ENGINEERING REVIEWER (ECE/ECT)
  • ELECTRICAL ENGINEERING & RME REVIEWER
  • FIRE OFFICER EXAMINATION REVIEWER
  • LET REVIEWER
  • MASTER PLUMBER REVIEWER
  • MECHANICAL ENGINEERING REVIEWER
  • NAPOLCOM REVIEWER
  • Additional upload reviewers and learning materials are also FREE

FOR A LIMITED TIME

If you subscribe for PREMIUM today!

You will receive an additional 1 month of Premium Membership FREE.

For Bronze Membership an additional 2 months of Premium Membership FREE.

For Silver Membership an additional 3 months of Premium Membership FREE.

For Gold Membership an additional 5 months of Premium Membership FREE.

Join the PinoyBIX community.

DaysHoursMinSec
This offer has expired!

2 Comments

  1. Akash Raikwar

Add Comment

THE ULTIMATE ONLINE REVIEW HUB: PINOYBIX . © 2014-2024 All Rights Reserved | How to Donate? | Follow me on Blogarama DMCA.com Protection Status