Viva Questions On Pn Junction Diode Pdf

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Viva questions on pn junction diode pdf. What is a zener diode. Semiconductors pn junction theory questions and answers. Zener diode is a p n junction diode specially designed for operation in the breakdown region in reverse bias condition.

What is the need for doping. Pn junction diode viva questions with answers. The resistance offered by a p n junction diode to the changing forward current is defined as the dynamic resistance.

Semiconductors interview questions semiconductors questions answers viva questions on pn junction diode characteristics viva questions on pn junction diode pdf viva voce questions pn junction diode zener diodes questions. How depletion region is formed in the pn junction. Diodes which are designed with adequate power dissipation capabilities to operate in the break down region are called as break down or zener diodes.

Home diodes questions and answers pdf. Home pn junction diode viva questions with answers. A varactor diode is a specially fabricated p n junction with proper impurity concentration profile and operated under reverse biased mode so as to give a variable junction capacitance.

In a forward biased pn junction the voltage at which there is a sudden increase in current with a small increase in voltage is called knee voltage. Pn junction diode viva questions with answers pdf. Define what is zener voltage.

Draw the reverse characteristics of zener diode and determine its break down voltage. 1what are break down diodes or zener diodes. What is junction diode.

Viva voce questions semiconductors q1what is a semiconductor. The following are some of the frequently asked questions related to pn junction. Which of the following is not a active component a.

Ac or dynamic resistance r small change in forward voltage small change in forward current junction diodes interview questions and answers pdf free download. Describe the difference between p type and n type semiconductor materials. Questions diodes objective type questions diodes questions diodes questions and answers diodes questions and answers pdf diodes quiz questions diodes test questions electronics q a.

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When a small amount of trivalent impurity such as boron gallium indium or aluminium is added to a pure semiconductor crystal during crystal growth the resulting crystal is called a p type semiconductor. Questions on pn junction diode characteristics viva questions on pn junction diode pdf viva voce questions pn. What do you mean by reverse breakdown.

What is leakage current. The voltage at which the zener diode breaks down is called the zener voltage. Important question answers of semiconductor diode mcq on semiconductors 1.

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