Advertisements
Advertisements
प्रश्न
How is a Zener diode fabricated?
Write two important considerations used while fabricating a Zener diode.
Advertisements
उत्तर १
A Zener diode is fabricated by heavily doping both p and n sides of the junction
उत्तर २
Two important considerations while fabricating a Zener diode are as follows:
(i) The Zener diode should be fabricated by heavily doping both p and n junctions.
(ii) Proper wafer-handling devices must be used to avoid contamination, which may affect the quality and stability of the diode.
APPEARS IN
संबंधित प्रश्न
Meeta's father was driving her to school. At the traffic signal, she noticed that each traffic light was made of many tiny lights instead of a single bulb. When Meeta asked this question to her father, he explained the reason for this.
Answer the following questions based on above information:
(i) What were the values displayed by Meeta and her father?
(ii) What answer did Meeta's father give?
(iii) What are the tiny lights in traffic signals called and how do these operate?
Using the necessary circuit diagrams, show how the V-I characteristics of a p-n junction are obtained in
Forward biasing
How are these characteristics made use of in rectification?
Write briefly the important processes that occur during the formation of p−n junction. With the help of necessary diagrams, explain the term 'barrier potential'.
Why is zener diode fabricated by heavily doping both p- and n-sides of the junction?
What happens to the width of depletion player of a p-n junction when it is (i) forward biased, (ii) reverse biased?
Explain the formation of depletion layer and potential barrier in a p−n junction.
Draw the circuit arrangement for studying the V-I characteristics of a p-n junction diode in reverse bias. Plot the V-I characteristics in this case.
In Figure, assuming the diodes to be ideal ______.
If the resistance R1 is increased (Figure), how will the readings of the ammeter and voltmeter change?
What energy conversion takes place in a solar cell?
