Zener Diode MCQ with answers Leave a Comment / Electronics Multiple choice question MCQ Share thisMultiple choice questions on zener diode 0% 12 Created on September 05, 2022Zener Diode MCQ Zener Diode 1 / 17 1. At room temperature, an intrinsic silicon crystal acts approximately as …… A conductor A piece of copper wire A battery An insulator 2 / 17 2. Which of the following controls the current in a Zener diode? Reverse bias voltage Potential barrier Zener diode resistance External circuits 3 / 17 3. Depletion region contains Immobile charge carriers Free electrons All of the above Free holes 4 / 17 4. The avalanche breakdown occurs at ____________ volts Greater than 1V Greater than 20V Greater than 30V Greater than 5V 5 / 17 5. In Zener diode, the breakdown is due to Zener, has adoping Lowest Low High Moderate 6 / 17 6. Zener diode are generally made of ___________ Carbon Silicon None of the above Germanium 7 / 17 7. In Zener diode, the breakdown is due to Zener, has adoping High Low Moderate Lowest 8 / 17 8. At absolute temperature, an intrinsic semiconductor has ………. A few free electrons No holes or free electrons Many holes Many free electrons 9 / 17 9. How is the breakdown region set during the manufacturing of the diode? By controlling the doping of the diode By managing the biasing of diode All the above By controlling the size of the diode 10 / 17 10. The depletion layer in forward bias is _______________ Thick Very thick None of the above Very thin 11 / 17 11. A Zener diode ___________ Is a battery Has a barrier potential of 1 V Acts like a battery in the breakdown region Is forward biased 12 / 17 12. Under normal conditions a diode conducts current when it is …………… forward biased reverse biased saturated avalanched 13 / 17 13. An ideal diode in forward bias have _________ resistance Infinite None of the above Finite Zero 14 / 17 14. An ideal diode in reverse bias have _________ resistance None of the above Zero Finite Infinite 15 / 17 15. If the load resistance decreases in a Zener regulator, then Zener current Increases Stays the same Decreases None of the above 16 / 17 16. A Zener regulator _________ in the power supply None of these Neither increases nor decreases the ripple Decreases the ripple Increases the ripple 17 / 17 17. Which one of the following is a type of reverse breakdown in the Zener diode? Zener Both a and b None of the above Avalanche Your score is The average score is 21% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Exit Send feedback Share this