Bipolar Junction Transistor Amplifiers - MCQs Answers

Below are the answers key for the Multiple Choice Questions (Quiz) in Bipolar Junction Transistor Amplifiers .

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. r_e

7. All of the above

8. All of the above

9. All of the above

10. resistive, ohms, megohms

11. current

12. Siemen

13. h_ib

14. A few ohms to a maximum of 50 Ω

15. Less than 1

16. I_e

17. 40 kΩ to 50 kΩ

18. r_o ≥ 10R_C

19. r_o ≥ 10R_C and R_B ≥ 10r_e

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. A_i

28. βr_e < 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. h_r

39. βr_e

Fill-in-the-blanks-answers

1. magnitude

2. r_e 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. I_B, I_C

11. I_E

12. 180º out of phase

13. moderate, high

14. h_f

15. h_r, h_o

16. base, collector

17. dc level of V_B

18. A_i

19. significantly increases

20. slightly less than 1

21. in phase

22. high, low

23. A_v

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. h_ie

35. A_v

Back to Homepage

• Electronic Devices and Circuit Theory (Chapter Quiz)

---

credit: Robert L. Boylestad©2013 www.FroydWess.com

Share Note :