31. Which of these is the best description for a Zener diode? A. It is a diode B. It is a constant current device C. It is a constant-voltage device D. It works in the forward region Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
32. In a 15 V Zener diode , the breakdown mechanism will occur by ___________ A. Avalanche mechanism B. Zener mechanism C. Both Zener and avalanche mechanism D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
33. A Zener diode utilises ___________ characteristic for voltage regulation A. Forward B. Reverse C. Both forward and reverse D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
34. In a loaded Zener regulator, which is the largest Zener current? A. Series current B. Zener current C. Load current D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
35. A power supply can deliver a maximum rated current of 0.5 A at full-load output voltage of 20 V. What is the minimum load resistance that you can connect across the supply? A. 10 Ω B. 20 Ω C. 15 Ω D. 40 Ω Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
36. A certain regulator has a no-load voltage of 6 V and a full-load output of 5.82 V. What is the load regulation? A. 3.09 B. 2.87 C. 5.72 D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
37. In an unregulated power supply, if input a.c. voltage increases, the output voltage . A. Increases B. Decreases C. Remains the same D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
