physics project on zener diode for class 12th cbse in pdf
#1
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hi .im naam m kya rakha ...h.yaaar....i just want to make a project report on zener diode ...and will goona help me...maa ki.ank
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#2

Abstract

The power sources we use can not be able to provide continuous voltage to us. This can affect the proper function of the electronic device. Jeneradiade is a special type of diode that is cut faster than the voltage during reverse binding. At the cut off voltage, it operates the current large values, but the voltage remains at constant values. Even the input voltage varies or the external load varies, the output voltage remains at constant value. Such generised voltage regulators are mainly used for voltage stabilizers, TVs. Etc. are used in

In general, electronic circuit uses a tube or transistor for the source of DC. Power. In Pracitce, DC Power for electronic circuits is the most easily obtained from commercial CA lines using a pure modifier filter called DC power supply.

A normal or irregular D.C. The power supply includes a refiner and a filter circuit. Production from precision is a pulsating DC. This flutter is AAC Are due to the presence of. Component filter circuit in exact output a.c. Component so that the steady DC voltage across the load is obtained

Rheostat: -
A ristorate is an electrical component in which there is an adjustable resistance. It is a type of potentiometer which has two terminals instead of three, two main types of rheostat are rotary and sliders. The rioastat symbol is a resistor symbol with sharp arrows in an arrow. Rostosts are used in many different applications from light dimmers for motor controllers in large industrial machines.

Rostat Construction: -
Most reverse wire wounds are types, whose long-lasting wire is tight spiral. There is a straight line of linear type, while in the rotary type, there is a wire coil in Torus to save space. Case and contacts are closed in case to avoid shit, which can be generated from open circuit and moisture, which can lead to short circuit. The ristorate can be made from other materials such as carbon disks, metal ribbons and even some liquids. As long as there is an important resistance change in a long span of a material, then it can be used to make an antagonist.

How RAOSAT works: -
The basic principle that the rheostats is used is the law of oh which states that inversion is currently proportional to the resistance of a given voltage. This means that the resistance currently decreases or the resistance increases or increases because the resistance decreases. Currently, through its one terminal, the rivastat is entered, the wire flows through the wire and the contact, and the other passes through the terminal. There is no polarization in the rheostat and the work only after the terminal is reversed. Three terminals potentiometer can be used as a ristorate by connecting the unused third terminal to the contact terminal. theory

When the reverse bias rises on the crystal diode, then an important voltage, called the breakdown voltage, is reached where the reverse current increases rapidly for the higher value. The satisfactory interpretation of this breakdown of this junction was first described by the American scientist C. Was given by Jenner. Therefore, the breakdown voltage is sometimes called, the Zener voltage and the sudden increase in current is known as the Zen current.

The breakdown of the Zener voltage depends on the amount of doping. If the diode is heavily covered, then the layer of deficiency will become thin and the resulting junction breakdown will occur on a low reverse voltage. On the other hand, a lightly dipped diode has a high breakdown voltage. When a simple crystal diode is properly covered, then there is a sharp disintegration down the voltage, it is called the Zenner diode.

Requirements
• 6.2 V, 400 mw Zener diode

• Irregular power supply of approximately 16V

• Resistance

• 10 k? Resistance box

• Rheostat

• Multimeter

• Circuit board etc.

process:
• Zen diode is like a normal diode, except that it is covered properly so that there is a sharp disruption voltage.

• A Zener diode always reverse connects, i.e., it is always partial reversal

• A Zener diode has the voltage breakdown intensity, which is called Zener voltage.

• Moving forward, its features are only of normal diodes.

• Zener diode was not burned immediately because it entered the breakdown area. The diode will not burn until it limits the current limit of the external circuit diode attached to the diode.
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