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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Debanjana Adhikari posted an Question
April 19, 2020 • 04:04 am
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30 points
30 points
- CSIR NET
- Physical Sciences
Q24. two identical zener diodes are placed back to back in series and are connected to a variable dc power supply. the best representation of the i-v characteri
Q24. Two identical Zener diodes are placed back to back in series and are connected to a variable DC power supply. The best representation of the I-V characteristics of the circuit IS (a) (b) (c) (d) Ans: d)
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Shanu arora![best-answer]()
ans: d option is correct . In forward bias , the series zener will act as a battery of constant voltage once V is above threshold voltage . and in reversebias , when zener voltage is reached again they will act as but their terminals will be flipped ( this is what happens for every question of zener when zener act as voltage regulator). here is the solution , feel free to ask doubts . best regards.