Below are the answers key for Multiple Choice Questions in Chapter 22: Nonlinear Op-Amp Circuits from the book Electronic Principles 7th Edition by Albert Malvino. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam.
1. d. Op amp may saturate
2. a. Comparator
3. c. Either a low or a high voltage
4. b. Noise voltages
5. c. Ramp
6. a. Rectangular wave
7. a. Decreases
8. b. Square wave
9. b. 3.5 uV
10. b. 4 V
11. c. 6 Vpp
12. c. 1 kHz
13. b. Zero-crossing detector
14. b. Pullup resistor
15. a. Positive feedback
16. b. Has two trip points
17. a. Resistor
18. c. Increases or decreases at a linear rate
19. b. The Miller effect
20. c. The output to switch states
21. d. Feedback capacitor
22. d. Much less than 0.7 V
23. a. Much longer than the period
24. b. Negative
25. a. Positive
26. a. A positive dc voltage to the input
27. d. Detects an input voltage between two limits
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