Malvino: MCQ in Regulated Power Supplies – Answers

Below are the answers key for Multiple Choice Questions in Chapter 24: Regulated Power Supplies 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. a. Negative feedback

2. b. Load current

3. b. Destroy diodes and transistors

4. b. Small

5. c. Pass transistor

6. a. A small value

7. c. Oscillations

8. c. 2%

9. b. 1%

10. a. Very small

11. c. Much smaller

12. b. 1 mV

13. b. Internal temperature is too high

14. b. A bypass capacitor on the input pin

15. a. Positive

16. c. 12 V

17. b. Parallel with the IC regulator

18. d. A current-sensing resistor

19. c. Opposite in phase

20. a. Linear regulator

21. c. Increase the duty cycle

22. b. An increase in load voltage

23. a. Load regulation

24. a. Shunt regulator

25. b. Constant

26. a. Built-in short-circuit protection

27. c. Little power is wasted

28. d. All of the above

29. b. Noisy

30. d. Series regulator

31. c. The pass transistor replaces the series resistor

32. a. Headroom voltage is low

33. a. Foldback limiting

34. c. 2 V

35. a. Choke-input filter

36. c. Switching regulator

37. b. Capacitor-input filter

38. d. All of the above

Complete List of MCQ in Electronic Principles by Albert Malvino

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