Malvino: MCQ in Power Amplifiers – Answers

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(Last Updated On: February 7, 2020)

Answers in Power Amplifiers

Below are the answers key for Multiple Choice Questions in Chapter 12: Power Amplifiers 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. b. Approximately equal to one

2. c. re + re’

3. b. High

4. b. VE divided by RE

5. d. Emitter diode and external ac emitter resistance

6. c. Load resistor

7. a. 30 kohm

8. a. Less than the generator voltage

9. d. Vin divided by re

10. c. Vin

11. c. Steeper than the dc load line

12. d. Clipped

13. d. Negative half cycle of input

14. b. 2 V

15. c. DC emitter resistance

16. c. 0.9

17. d. Clipping on both peaks

18. c. A very high current gain

19. b. Different from the dc load line

20. a. 5 mV

21. a. Only ac voltages

22. d. DC base voltage is zero

23. a. Very low

24. d. High when clipping occurs

25. a. 0

26. c. 800 kohm

27. a. Cutoff

28. d. Usually destructive

29. b. Is usually small enough to ignore

30. c. Crossover distortion

31. b. Smaller than the output current

32. d. All of the above

33. d. Match the compensating diodes

34. c. 78.5 percent

35. d. Is usually less than the load resistance

Complete List of MCQ in Electronic Principles by Albert Malvino

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