14. a) Almost a straight line parallel to y-axis It is a substance with conduction properties between metals and insulators. Explanation: All of the statements are true for the resistance of the zener diode. 2. b) 73.7 mV load Regulation = -30mV/mA. It … I get my most wanted eBook. Dynamic resistance otherwise called as AC resistance is the reciprocal of the slope of the tangent of the characteristics curve. Viva Voce. lol it did not even take me 5 minutes at all! Answer: c In ‘on’ state , the voltage across zener diode remains constant until the voltage across it deops less than VZ . VIVA VOCE QUESTIONS - SEMICONDUCTORS Q.1.What is a semiconductor ? I–V Characteristics of Zener Diode. Download baros daca maine ft bogdan ioana jibovivawosac cf. What is a zener diode? Tag: pn junction diode characteristics experiment viva questions. 5. B. Zener Diode Viva Questions With ZENER DIODE LAB VIVA Questions :-1. Explain how zener diode maintains constant voltage across the load? (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. c) 74.7 mV 9. The critical parameter of this type of diodes is the Zener breakdown voltage. 12. Feedback. b) 0.104 W Assuming that the power rating of a breakdown diode is established at about twice the specified Zener current (IZT), what is the power rating of each of the diodes described above? Resources. A graph of current through vs the voltage across the device is called the characteristic of Zener diode.The first quadrant is the forward biased region. so many fake sites. 9. A. 4. VZ = VZo + 5IZ = 8.96 * 5IZ. d) All of the mentioned. XD. 13. Page 7/25. a) 8.96V The reverse breakdown voltage of zener diode is called zener voltage. Define depletion region of a diode? And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Zener Diode Viva Questions With Answers Abfgas . zener diode viva questions with answers is available in our digital library an online access to it is set as public so you can get it instantly. 3 Theory of experiment The diode is a device formed from a junction of n-type and p-type semiconductor material. Home » ZENER DIODE Viva Questions » 50 TOP ZENER DIODE LAB VIVA Questions and Answers Pdf. 2. PN Junction Questions & Answers. Diode Characteristics Experiment Questions Viva 1 diode characteristics experiment questions viva is universally compatible with any devices to read Open Library is a free Kindle book downloading and lending service that has well over 1 million eBook titles available. The Zener diode mainly operates in reverse biased condition. b) 9.03V While doing the experiment do not exceed the ratings of the zener diode. a) Voltage regulators Why it does not obey ohms law ? ii) If you get negative output it is in reverse bias mode. d) Equally inclined to both the axes with a negative slope. Partial specifications of a Zener diode is provided. That is it is the ratio of rms value of ac component to the dc value. Many thanks. It has a particular voltage known as break down voltage, at which the diode break downs while reverse biased. Exp No:1 Diode characteristics Experiment Questions: Viva ... A Zener regulator has to handle supply voltage variation from 19.5V to 22.5V. syllabus for b tech 1st year guru gobind singh. … Diode characteristics Experiment Questions: 1.Experimently find out whether the given diode is made of Germanium or Silicon. The zener diode characteristics … when the voltage across the zener diode exceeds its zener voltage rating VZ) . d) 9.24V. Both P and N are heavily doped. c) 10.4 mW What is a zener diode? Define what is zener voltage? 6. What is the basic principle of zener diode? What is meant by the temperature coefficient? Why is zener diode used as a voltage regulator? a) 1.04 W The lead connected to the p-type material is called the anode and the lead connected to the n-type material is the cathode. This is known as Zener break down. Thus zener diode maintains voltage constant across the load. File Type PDF Exp No 1 Diode Characteristics Experiment Questions Viva Exp No 1 Diode Characteristics Experiment Questions Viva If you ally obsession such a referred exp no 1 diode characteristics experiment questions viva books that will manage to pay for you worth, get the certainly best seller from us currently from several preferred authors. A designer requires a shunt regulator of approximately 20 V. Two kinds of Zener diodes are available: 6.8-V devices with rz of 10 Ω and 5.1-V devices with rz of 30 Ω. 2. Zener current. Explanation: ICs have been widely adapted by the industries over conventional zener diodes as their better replacements for a voltage regulators. In the forward biased mode the zener diode operates as a p-n diode. My friends are so mad that they do not know how I have all the high quality ebook which they do not! d) None of the mentioned. Define what happens to the series current , load current and zener current when the dc input voltage of a zener regulator increases? In a Zener diode with high breakdown voltage. a) Diode 8. 1) The value of reverse current after the zener breakdown is called? ELECTRICAL amp ELECTRONICS ENGINEERING. this is the first one which worked! 3. It is acting as normal diode while forward biasing. What is a zener diode ? Zener diode is a P-N junction diode specially designed to operate in the reverse biased mode. c) Integrated Circuits Answer: b Find the magnitude of regulating resistance, if the load resistance is … What is meant by the temperature coefficient? Forward current. Apparatus: Zener diode, Power Supply, dc milliammeter and dc voltmeter. What is static resistance of a diode? Engineering 2021 , Engineering Interview Questions.com. b) Forward bias diode The zener diode is designed to operate in the reverse break down region and has a predetermined reverse break down voltage V z. But due to higher doping concentration, higher current flows through the Zener diode.In the third quadrant, the magic happens. To get started finding Zener Diode Viva Questions With Answers Abfgas , you are right to find our website which has a comprehensive collection of manuals listed. 1. Zener current and series current increases while the load current remains unchanged. 9.1 = VZo + 5 * 28 * 10-3 Our library is the biggest of these that have literally hundreds of thousands of different products represented. d) 75.7 mV, 18. Dictionary com s List of Every Word of the Year. ... Zener Diode Characteristics Experiment Questions: Draw the reverse characteristics of zener diode and determine its break down voltage. In order to determine the mode, you can check the output voltage.. i) If you get positive output, it is in forward bias. eBook includes PDF, ePub and Kindle version. Both P and N are lightly doped. To draw the characteristics means behavior of current in forward and reverse bias of a semiconductor junction diode. 11. 7. It is approximately constant. c) The value of the resistance is the inverse of the slope of the i-v characteristics of the Zener diode The Zener breakdown voltage is the minimum reverse biased voltage below which the diode blocks the reverse … c) -60mV/mA and +60mV/mA respectively Viva Questions: 1.What are break down diodes or zener diodes? They provide a low-cost and no frill method for voltage regulation.