Difference between Zener breakdown and Avalanche breakdown

This article covers, the difference between Zener breakdown and Avalanche breakdown. The major difference between Zener breakdown and Avalanche breakdown is Zener breakdown occurs because of strong electric field. Avalanche breakdown occurs because of the collision of electrons. A diode is used in electronic circuit to allow the flow of current in only one direction. … Read more

Resistor colour coding | lab work

This article contains Resistor colour coding experiment. Lab Work.  There are 5 given resistors as sample & we need to find its value, by reading colour bands on it. Aim of the experiment Resistor colour coding Objective To learn resistor colour coding. To determine the stated value of a resistor by interpreting the colour code … Read more

What is DIAC ?

V-I Graph of DIAC

Semiconductor devices are the core part of electronics circuits. Usually diodes conducts in only one direction. DIAC is made to conduct in both forward and reverse direction. The term DIAC stands for ( Diode for Alternating Current ). What is DIAC ? A diode that conducts electrical current only when its breakover voltage is reached … Read more

half wave rectifier

Half wave rectifier

What is a rectifier ? A rectifier ( half wave rectifier ) is a device that converts alternating current ( AC ) to fluctuating / pulsating direct current ( DC ). It is done by making special arrangement of diodes. Based on arrangement of diodes rectifiers are categorized into three base categories. Half wave rectifier … Read more

Bridge rectifier | Working, Circuit, Advantages

bridge rectifier ciruit

What is a rectifier ? Majority of electronics circuit require DC power and our household supply gets AC power. Here come the role of rectifier. Rectifiers ( bridge rectifier ) convert Alternating current to fluctuating Direct current. Fluctuating in the sense it has some ripples ( minor frequency in the output ). Whereas, pure DC … Read more

Classification of semiconductor | intrinsic semiconductor

In this article, we will discuss about semiconductors and its types. Intrinsic semiconductor and extrinsic semiconductor. What is a semiconductor ? A semiconductor can be defined as aa material whose electrical conductivity lies between conductor and insulator. The electrical conductivity of conductor > semiconductor > insulator. Some examples of semiconductor are silicon and germanium, they … Read more

Wheatstone bridge | Working & Application

Wheatstone bridge

The Wheatstone bridge or the resistance bridge is the special arrangement of resistors that is used to calculate the unknown resistance by balancing of bridge circuit. It was discovered by Charles Wheatstone. Wheatstone bridge circuit Construction The bridge contains four resistances out of which the value of two resistances are known. The third one is … Read more

Applications of Zener diode

Zener Diode

In this blog I am going to discuss about Zener diode and its applications. The name Zener is derived from the name of American physicist Melvin Zener. He discovered the Zener effect. Zener diode definition Zener diode is a special PN Junction diode that is designed to operate in reverse biased condition. It conducts the … Read more

Difference between PN junction diode and Zener diode

Semiconductor devices like diodes are essential / core component of any electronic circuit. According to needs diodes are manufactured in different ways. The different manufacturing techniques and doping concentration give them different characteristics. In this article we will discuss about the difference between PN junction diode and Zener diode. The basic difference between PN junction … Read more

Varactor diode | Application & Advantages

Varactor diode symbol

In this article we will cover Varactor diode, its Symbol, operation, characteristics, advantages and applications. What is Varactor diode ? It is a p-n-junction diode, whose internal capacitance can be adjusted by application of reverse bias voltage. It is controlled by input voltage that means its output voltage depends upon the supplied input voltage. It … Read more

difference between ac and dc | alternating current

AC vs DC

Students often get confused when they are asked to differentiate between alternating current and direct current. This blog covers 20 difference between ac and dc. Electrical current flows in two ways, it either flows in single direction or reverses its direction periodically. When electrical current flows in single direction it is known as Direct Current … Read more

Metal oxide varistor | Specifications, VI Graph, Connection

MOV Symbol

In this article we will cover Metal Oxide Varistor its specifications, graph, connections and applications. A Varistor is an electronic component that protects electronics devices from over voltage by the concept of voltage clamping. The word varistor can be stated as variable resistor or a voltage dependent resistor. Its resistance cannot be varied manually like … Read more

78xx voltage regulator | 7805

7805 linear voltage regulator

78xx voltage regulator Electronic circuits are very sensitive. They require a stable voltage input. Here comes into play the role of voltage regulator. In this article we will briefly discuss about 1 Ampere linear voltage regulator IC. After going through this blog, you will be able to step down dc voltage accurately by using 78XX … Read more