MCQs in Bipolar Junction Transistor Amplifiers – Answers

(Last Updated On: December 8, 2017)
Answers key for Bipolar Junction Transistor Amplifiers

Below are the answers key for the Multiple Choice Questions (Quiz) in Bipolar Junction Transistor Amplifiers from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. Small- or large-signal
2. Less than 1
3. Ac power to the load/dc power supplied
4. All of the above
5. hybrid equivalent
6. re
7. All of the above
8. All of the above
9. All of the above
10. resistive, ohms, megohms
11. current
12. Siemen
13. hib
14. A few ohms to a maximum of 50 Ω
15. Less than 1
16. Ie
17. 40 kΩ to 50 kΩ
18. ro ≥ 10RC
19. ro ≥ 10RC and RB ≥ 10re
20. The output and input voltages are 180º out of phase.
21. 180º
22. All of the above
23. Fixed-bias common-emitter and voltage-divider with bypass capacitor
24. Emitter-follower
25. emitter-follower
26. high, low
27. Ai
28. βre < 10R2
29. Common-base
30. 180º
31. All of the above
32. False
33. False
34. The effect of Rs and RL must be considered as a product and evaluated individually.
35. larger, smaller
36. β1 • β2
37. 1
38. hr
39. βre

Fill-in-the-blanks-answers

1. magnitude
2. re and hybrid equivalent
3. applied dc voltage
4. All of the above
5. greater than
6. either in phase or 180º out of phase
7. forward-biased, reverse-biased
8. small, high
9. in phase
10. IB, IC
11. IE
12. 180º out of phase
13. moderate, high
14. hf
15. hr, ho
16. base, collector
17. dc level of VB
18. Ai
19. significantly increases
20. slightly less than 1
21. in phase
22. high, low
23. Av
24. low, high
25. in phase, in phase
26. no
27. always less than
28. parallel
29. Q-point
30. smaller, lower
31. larger, lower
32. 1
33. pnp, npn
34. hie
35. Av

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

credit: Robert L. Boylestad© 2014 www.PinoyBIX.org
MCQs in Bipolar Junction Transistor Amplifiers – Answers
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