Below are the answers key for the Multiple Choice Questions (Quiz) in Voltage Regulators .
1. D. load and line regulation.
2. B. limit current through the diode.
3. A. shunt regulators
4. D. to provide current up to a maximum, but drop current to a lower value when the output becomes shorted, to prevent overheating of the device
5. B. a dc output that is the negative of the dc input voltage
6. C. 20.2 V
7. C. 1.5 A
8. D. a step-down switching regulator.
9. B. a shunt voltage regulator.
10. A. a series-pass voltage regulator.
11. C. high, high
12. D. filtering the dc pulse output.
13. A. to supply a reference voltage.
14. C. 4.05%.
15. B. 1.45 A, 10.09%
16. D. 22.5 W
17. B. 8.36 V.
18. B. decrease.
19. D. the zener would fail.
20. A. a longer
21. A. dc
22. A. Line
23. B. Load
24. C. transistor
25. C. transistor
26. B. shunt, series
27. B. low, high
28. D. 90
29. B. 3
TRUE/FALSE
1. A. True
2. B. False
3. A. True
4. B. False
5. A. True
6. B. False
7. B. False
8. A. True
9. A. True
10. A. True
