Floyd: MCQ in Basic Op-Amp Circuits

Print Friendly, PDF & Email
(Last Updated On: December 7, 2019)

Floyd: MCQ in Basic Op-Amp Circuits

This is the Multiple Choice Questions in Basic Op-Amp Circuits from the book Electronic Devices – Electron Flow Version and Conventional Current Version 8th Edition by Thomas L. Floyd. 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.

If you are looking for the Self-test in Floyd’s Electronic Devices proceed to

Practice Exam Test Questions

Choose the letter of the best answer in each questions.

1. If an op-amp comparator has a gain of 100,000, an input difference of 0.2 mV above reference, and a supply of ±12 V, the output will be

A. 20 V.

B. 12 V.

C. 10 V.

D. 15 V.

View Answer:

Answer: Option B

Solution:

2. To reduce the effects of noise resulting in erratic switching of output states of a comparator, you can use

A. the upper trigger point.

B. the lower trigger point.

C. nonzero-level detection.

D. hysteresis.

View Answer:

Answer: Option D

Solution:

3. A comparator with a Schmitt trigger has

A. two trigger levels.

B. a fast response.

C. a slow response.

D. one trigger level.

View Answer:

Answer: Option A

Solution:

4. In a comparator with output bounding, what type of diode is used in the feedback loop?

A. Schottky

B. junction

C. zener

D. varactor

View Answer:

Answer: Option C

Solution:

5. In a flash A/D converter, the priority encoder is used to

A. select the first input.

B. select the highest value input.

C. select the lowest value input.

D. select the last input.

View Answer:

Answer: Option B

Solution:

6. A differentiator is used to measure

A. the sum of the input voltages.

B. the difference between two voltages.

C. the area under a curve.

D. the rate of change of the input voltage.

View Answer:

Answer: Option D

Solution:

7. An op-amp has an open-loop gain of 90,000. Vsat = ±13 V. A differential voltage of 0.1 V p-p is applied between the inputs. What is the output voltage?

A. 13 V

B. –13 V

C. 13 Vp-p

D. 26 Vp-p

View Answer:

Answer: Option D

Solution:

8. Refer to Figure 13-1(a). Determine the output voltage.

Floyd: MCQ in Basic Op-Amp Circuits

Figure 13-1

A. 1 V

B. –1 V

C. +Vsat

D. –Vsat

View Answer:

Answer: Option C

Solution:

9. Refer to Figure 13-1(b). What is the output voltage?

A. 2 V

B. –2 V

C. +Vsat

D. –Vsat

View Answer:

Answer: Option D

Solution:

10. Refer to Figure 13-1(c). With the inputs shown, determine the output voltage.

A. 7 V

B. –7 V

C. +Vsat

D. –Vsat

View Answer:

Answer: Option C

Solution:

11. Refer to Figure 13-2(a). What is the output voltage?

Floyd: MCQ in Basic Op-Amp Circuits

Figure 13-2

A. 0.5 V

B. –0.5 V

C. 2 V

D. –2 V

View Answer:

Answer: Option B

Solution:

12. Refer to Figure 13-2(b). Determine the output voltage, VOUT.

A. 1.05 V

B. –0.35 V

C. 0.35 V

D. –1.05 V

View Answer:

Answer: Option A

Solution:

13. Refer to Figure 13-3(a). Determine the upper trigger point.

Floyd: MCQ in Basic Op-Amp Circuits

Figure 13-3

A. V(out)max

B. –V(out)max

C. –1.41 V

D. +1.41 V

View Answer:

Answer: Option D

Solution:

14. Refer to Figure 13-3(b). Determine the lower trigger point.

A. +V(out)max

B. –V(out)max

C. –2.47 V

D. +2.47 V

View Answer:

Answer: Option C

Solution:

15. Refer to Figure 13-4(a). This circuit is known as

Floyd: MCQ in Basic Op-Amp Circuits

Figure 13-4

A. a noninverting amplifier.

B. a differentiator.

C. an integrator.

D. a summing amplifier.

View Answer:

Answer: Option B

Solution:

16. Refer to Figure 13-4(b). This circuit is known as

A. a noninverting amplifier.

B. a differentiator.

C. an integrator.

D. a summing amplifier.

View Answer:

Answer: Option C

Solution:

17. Refer to Figure 13-4(b). A square-wave input is applied to this amplifier. The output voltage is most likely to be

A. a square wave.

B. a triangle wave.

C. a sine wave.

D. no output.

View Answer:

Answer: Option B

Solution:

18. Refer to Figure 13-4(b). If Vin = 5 V, the rate of change of the output voltage in response to a single pulse input is:

A. 15.2 mV/µs

B. 1.52 V/µs

C. 1.52 mV/µs

D. 15.2 V/µs

View Answer:

Answer: Option C

Solution:

19. The output of a Schmitt trigger is a

A. pulse waveform.

B. sawtooth waveform.

C. sinusoidal waveform.

D. triangle waveform.

View Answer:

Answer: Option A

Solution:

20. A Schmitt trigger is

A. a comparator with only one trigger point.

B. a comparator with hysteresis.

C. a comparator with three trigger points.

D. none of the above.

View Answer:

Answer: Option B

Solution:

21. An integrator circuit

A. uses a resistor in its feedback circuit.

B. uses an inductor in its feedback circuit.

C. uses a capacitor in its feedback circuit.

D. uses a resistor in its feedback circuit or uses a capacitor in its feedback circuit

View Answer:

Answer: Option C

Solution:

22. In a(n) _____, when the input voltage exceeds a specified reference voltage, the output changes state.

A. integrator

B. differentiator

C. summing amplifier

D. comparator

View Answer:

Answer: Option D

Solution:

23. A good example of hysteresis is a(n)

A. AM radio.

B. thermostat.

C. alarm clock.

D. none of the above

View Answer:

Answer: Option B

Solution:

24. A comparator with hysteresis is sometimes known as a(n)

A. integrator.

B. differentiator.

C. Schmitt trigger.

D. none of the above

View Answer:

Answer: Option C

Solution:

25. What is (are) the necessary component(s) for the design of a bounded comparator?

A. rectifier diodes

B. zener diodes

C. both of the above

View Answer:

Answer: Option B

Solution:

26. Which of the following are variations of the basic summing amplifier?

A. averaging amplifier

B. scaling amplifier

C. both of the above

View Answer:

Answer: Option C

Solution:

27. What circuit produces an output that approximates the area under the curve of an input function?

A. integrator

B. differentiator

C. summing amplifier

D. comparator

View Answer:

Answer: Option A

Solution:

28. _____ is a mathematical process for determining the rate of change of a function.

A. Integration

B. Differentiation

C. Summing

D. Comparatoring

View Answer:

Answer: Option B

Solution:

29. A(n) ______ amplifier is a summing amplifier with a closed-loop gain equal to the reciprocal of the number of inputs.

A. averaging

B. scaling

C. differentiating

D. none of the above

View Answer:

Answer: Option A

Solution:

30. What type(s) of circuit(s) use comparators?

A. summer

B. nonzero-level detector

C. averaging amplifier

D. summer and nonzero-level detector

View Answer:

Answer: Option B

Solution:

TRUE/FALSE

1. In an op-amp comparator, when the input voltage exceeds a reference voltage, the voltage output changes state.

A. True

B. False

View Answer:

Answer: Option A

Solution:

2. Bounding allows the output of a comparator to be an unlimited voltage.

A. True

B. False

View Answer:

Answer: Option B

Solution:

3. A positive feedback network for hysteresis improves an op-amp comparator’s noise immunity.

A. True

B. False

View Answer:

Answer: Option A

Solution:

4. Operational amplifiers are never used as nonlinear devices.

A. True

B. False

View Answer:

Answer: Option B

Solution:

5. The output voltage of a summing amplifier is proportional to the sum of the input voltages.

A. True

B. False

View Answer:

Answer: Option A

Solution:

6. The difference between the UTP and the LTP is the hysteresis voltage.

A. True

B. False

View Answer:

Answer: Option A

Solution:

7. An op-amp integrator uses a capacitor as the feedback element.

A. True

B. False

View Answer:

Answer: Option A

Solution:

8. An op-amp can be used as a comparator to determine when an input voltage exceeds a certain level.

A. True

B. False

View Answer:

Answer: Option A

Solution:

9. The output of an op-amp comparator will be zero when the input voltage exceeds the reference voltage.

A. True

B. False

View Answer:

Answer: Option B

Solution:

10. The R/2R ladder is commonly used for D/A converters.

A. True

B. False

View Answer:

Answer: Option A

Solution:

Check your work.

Complete List of Chapter MCQ in Floyd’s Electronic Devices

DOWNLOAD PDF / PRINT
Print Friendly, PDF & Email
Help Me Makes a Difference!

P inoyBIX educates thousands of reviewers/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 make a small $5 gift today?”

Add Comment

© 2014 PinoyBIX Engineering. © 2019 All Rights Reserved | How to Donate? | Follow me on Blogarama DMCA.com Protection Status
Do NOT follow this link or you will be banned from the site!

Math Solution

Advanced Math problem age work mixture digit motion Analytic Geometry 01 problem Analytic Geometry 02 problem clock variation progression misc Combination problem Differential Calculus 01 Problem Differential Calculus 02 Problem Differential Equations Problem Fundamentals in Algebra Fundamentals in Algebra Problem Integral Calculus problem Permutation problem Plane Geometry problem Plane Trigonometry problem Probability problem quadratic equation binomial theorem logarithms Solid Geometry problem Spherical Trigonometry problem System of Numbers Problem Venn Diagram Problem

Questions and Answers in Mathematics

Advanced Math Age Work Mixture Digit Motion Algebra and General Mathematics Analytic Geometry 01 Analytic Geometry 02 Calculus Clock Variation Progression Misc Differential Calculus 01 Differential Calculus 02 Differential Equations Engineering Mathematics Geometry Integral Calculus Plane Geometry Plane Trigonometry Probability and Statistics Quadratic Equation Binomial Theorem Logarithms Solid Geometry Spherical Trigonometry System of Numbers Trigonometry

video

Pre-board in Electronics Engineering

Pre-board in Electronics Engineering - Answers

Questions and Answers

Basic Television - Grob TV Boylestad Questions and Answers Computer Principles Electrical Circuit Electricity and Magnetism Fundamentals Electronic Circuits Floyd Questions and Answers Floyd Self-test Grob Questions and Answers Industrial Electronics Principles and Applications Malvino Questions and Answers Microelectronics Power Generators / Sources / Principles and Applications Solid State Devices Tests and Measurements Vacuum Tubes

Pre-board in Communications Engineering

Pre-board in Communications Engineering Pre-board in Communications Engineering - Answers

Questions and Answers

Acoustics Antennas Blake Questions and Answers Broadcasting and Cable TV System Digital Communication Networks Forouzan Frenzel Self-test Kennedy Questions and Answers Microwave Communications Miscellaneous Questions in Communications Modulation Navigational Aids and Radar Systems Noise Optical Fiber Communications Radiation and Wave Propagation Satellite Communications Transmission Fundamentals Wire and Wireless Communications

GEAS Solution

Dynamics problem Economics problem Physics problem Statics problem Strength problem Thermodynamics problem

Pre-board in GEAS

Questions and Answers in GEAS

Engineering Economics Engineering Laws and Ethics Engineering Management Engineering Materials Engineering Mechanics General Chemistry Physics Strength of Materials Thermodynamics
Online Tool: Electrical Charge Conversions
Online Tool: Electrical Charge Conversions
Online Tool: Color Code Conversions
Online Tool: Color Code Conversions
Online Tool: Weight Measurement Conversions
Online Tool: Weight Measurement Conversions
Online Tool: Temperature Measurement Conversions
Online Tool: Temperature Measurement Conversions
Consider Simple Act of Caring!: LIKE MY FB PAGE

Our app is now available on Google Play, Pinoybix Elex

Get it on Google Play