Bipolar Junction Transistors – MCQs Answers

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

1. 1940s

2. 3

3. 150:1

4. All of the above

5. pnp, npn

6. 3

7. 1

8. Minority

9. 200 µA

10. 2 µA

11. All of the above

12. Saturation

13. 0.7 V

14. reverse, forward

15. I_C / I_E

16. 10 Ω–100 Ω, 50 k Ω–1 MΩ

17. All of the above

18. 100

19. 110

20. All of the above

21. 0.99

22. Common-emitter

23. 10

24. I_C / I_B

25. All of the above

26. All of the above

27. All of the above

28. False

29. All of the above

30. β_ac

31. 200

32. 100 Ω to a few kΩ, exceeding 100 kΩ

33. Faulty device

34. Any of the above

35. 4

Fill-in-the-blanks-answers

1. 3, 1, 2

2. much larger than

3. considerably less than

4. decreases, increases

5. holes, electrons

6. reverse, forward

7. µA, mA

8. difference

9. active

10. reverse, reverse

11. forward, forward

12. 0.90, 0.998

13. 50 to 300, less than 1

14. ac and dc

15. high, low

16. All of the above

17. dc, ac

18. base current I_B

19. β_dc

20. V_BE

21. low, very high

22. reverse bias

23. npn, pnp

24. aluminum

25. All of the above

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• Electronic Devices and Circuit Theory (Chapter Quiz)

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