Regulated Power Supplies » Exercise – 1
21. What is true about the breakdown voltage in a zener diode ?
(a) It decreases when load current increases.
(b) It destroys the diode.
(c) It equals current times the resistance.
(d) It is approximately constant.
| Subject Name : Electronics Engineering |
| Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT |
| Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant |
| Electronics & Communication Engineering Books |
| GATE 2023 Total Info | ENGG DIPLOMA | UGC NET Total Info |
| IES 2023 Total Info | PSUs 2022 Total Info | CSIR UGC NET Total Info |
| JAM 2023 Total Info | M TECH 2023 Total Info | RAILWAY 2022 Total Info |
Related Posts
Regulated Power Supplies » Exercise - 126. If the load resistance decreases in a zener regulator, then zener current ............. (a) decreases (b) stays the same (c) increases (d) none of the above- Regulated Power Supplies » Exercise - 12. In an unregulated power supply, if load current increases, the output voltage ........... (a) remains the same (b) decreases (c) increases (d) none of the above
- Regulated Power Supplies » Exercise - 118. The current in a zener diode is limited by ............ (a) external resistance (b) power dissipation (c) both a and b (d) none of the above
- Regulated Power Supplies » Exercise - 135. When load current is zero, the zener current will be ............ (a) zero (b) minimum (c) maximum (d) none of the above
- Regulated Power Supplies » Exercise - 115. A zener voltage regulator will cease to act as a voltage regulator if zener current becomes ............ (a) less than load current (b) zero (c) more than load current (d) none of the above