Below are the answers key for the Multiple Choice Questions (Quiz) in The Operational Amplifier .
1. C. a voltage-follower.
2. B. a non-inverting amplifier.
3. A. an inverting amplifier.
4. B. –1.2 V
5. D. 21.
6. B. 5 V
7. C. 50 kΩ.
8. D. 12 kΩ, 120 kΩ
9. D. –50 mV
10. A. 1.36 V/µs
11. D. to set input impedance and voltage gain.
12. B. for input offset voltage compensation.
13. A. for bias current compensation.
14. B. increase, decrease
15. D. none of these.
16. D. 100,000
17. C. 20 dB.
18. D. 15.4 Hz
19. D. all of the above
20. B. 103.5 dB
21. B. 72 dB.
22. B. –26.7
23. B. 11
24. D. 1.
25. C. 112.4 kHz
26. B. 155 kHz
27. A. 10.4 kHz
28. B. 1.5 MHz
29. C. 83.3 kHz
30. B. increases, decreases
31. A. high, low, high, wide
32. C. temperature
33. C. slew rate
34. A. non-inverting
35. B. inverting
36. C. voltage-follower
37. D. 200,000
38. B. Acl
39. C. –270
TRUE/FALSE
1. B. False
2. A. True
3. B. False
4. A. True
5. A. True
6. A. True
7. A. True
8. B. False
9. B. False
10. A. True
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