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