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Chapter 3 SPECIAL DIODES MCQs

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1. .1 Zener diodes are also known as





2. .2 Which of the following is true about the resistance of a Zener diode?





3. .3 A Zener diode





4. .4 A zener diode has





5. .5 Zener diode is used primarily as





6. .6 A zener diode is always connected in





7. .7 A zener diode utilizes ___ characteristic for its operation.





8. .8 In the breakdown region, a zener diode behaves like a





9. .9 A zener diode is destroyed if it





10. .10 A series resistance is connected in the zener circuit to





11. .11 The load voltage is constant when the Zener diode is





12. .12 If the load resistance decreases in a Zener regulator, the Zener current





13. .13 If the load resistance decreases in a Zener regulator, the series current





14. .14 At high frequencies, ordinary diode does not work properly because of





15. .15 The doping level of a Zener diode is





16. .16 A Zener diode when biased correctly





17. .17 For typical operation, you need to use the reverse biased voltage with





18. .18 A Zener diode





19. .19 The capacitance of a varactor diode increases when the reverse voltage across it





20. .20 A Photodiode is normally





21. .21 When the light increases, the reverse current in a photodiode





22. .22 When the light increases, the reverse minority charge carriers current in photodiode





23. .23 A photoconductive cell is also known as





24. .24 The varactor is usually





25. .25 The device associated with voltage-controlled capacitance is





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