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Triggering of Thyristors or SCR Triggering

September 1, 2021 By WatElectronics

Silicon Controlled Rectifier or SCR

The SCR turn ON method like SCR triggering or triggering of the thyristor is used to bring a silicon-controlled rectifier from forward blocking mode into conduction mode. In conduction mode, SCR can be characterized through less voltage drop, the impedance across anode, cathode & high anode current. The anode current value can be determined through the load and it permits the flow of current. So, a silicon-controlled rectifier in forward conduction mode is known as its ON state & it … [Read more...]

What is Avalanche Diode : Working & Its Applications

August 31, 2021 By WatElectronics

Avalanche Diode

A semiconductor diode like an avalanche diode is similar to a Zener diode and this diode operates within the region of reverse bias. The symbol of this diode is the same as a Zener because it is one kind of PN junction diode. The designing of this diode can be done in such a way that, it can resist the breakdown of avalanche without damaging when the reverse current suddenly increased because, when the current increases suddenly within the PN junction diode, then it can damage. To overcome … [Read more...]

What is Digital Timer : Circuit & Its Working

August 30, 2021 By WatElectronics

Digital Timers

At present in our daily life, Timers play a key role which is used in watches, clocks, or phones. With hectic plans, most people easily forget many schedules. So a digital timer is used to give an alert to remind you of your schedules like checking BP or take medications and many more. But in the industrial or commercial fields, these are not applicable. For new revolutions in electronic devices, the electronic industry has paved way for timers, loggers & controllers. So from that, the … [Read more...]

What is Drift Velocity of an Electron & Its Derivation

August 26, 2021 By WatElectronics

Drift Velocity Working

The drift velocity concept can be understood by observing the random movement of electrons around the conductor. These electrons keep on traveling in the conductor in a random way through random velocities. Sometimes, a conductor may be subjected to an electric field & consequently some type of electrical energy is used on the randomly moving electrons except in the field direction. This field pushes the electrons to control in the high potential direction while maintaining their chances … [Read more...]

What is a Crystal Diode : Construction & Its Working

August 22, 2021 By WatElectronics

Crystal Diode

A diode is a semiconductor device through which current supplies in one direction only. The initial diodes were crystal diodes which are used as rectifiers in radio kits. In this diode, a weak signal was fed into the crystal material using a very fine wire namely the cat's whisker. The crystal material in the diode removes the high-frequency carrier signal of radio by allowing the elements of the signal through the audio data to approach through clear. The crystal material was packed with … [Read more...]

What is Galvanometer – Construction & Its Working

August 20, 2021 By WatElectronics

Galvanometer

After the demonstration of Hans Christian Ørsted in the year 1820 that is, an electric current can turn aside a magnetized needle, the first galvanometer was designed. This device was designed by physicist Johann Schweigger & German mathematician and they named it a multiplier. Basically, a galvanometer includes a needle, connected to a coil so that the coil can move freely in a magnetic field. This field can be created through one or more permanent magnet poles. Once electricity is … [Read more...]

What is a Pressure Transducer : Types & Its Working

August 18, 2021 By WatElectronics

Pressure Transducer

In fluid power circuits, pressure is an essential factor. A pressure transducer is used to change the pressure of a fluid into an electrical signal to check & control the pressure within electronic control systems. Once these transducers are connected to a suitable electrical source then it will generate an electrical output signal like current frequency or voltage which is proportional to the force. There are different kinds of transducers are available which are used to generate linear … [Read more...]

What is Cathode Ray Oscilloscope (CRO) & Its Working

August 16, 2021 By WatElectronics

Cathode Ray Oscilloscope (CRO)

Karl Ferdinand Braun has researched the concept of the elastic strings of oscillations. He used the CRT (cathode ray tube) as an electron gun through a fluorescent screen. This screen emits a spark of light. So he built the first oscilloscope namely Braun’s electrometer. Karl Braun demonstrated the first model of oscilloscope in the year 1897. Since its development, the CRO (cathode ray oscilloscope) is an essential type of oscilloscope that are mainly used for measuring different electrical c … [Read more...]

What is a Rain Sensor : Working & Its Applications

August 14, 2021 By WatElectronics

Rain Sensor

In everyone’s life, water is a basic need but conserving water as well as its proper maintenance is very important. So here is a rain sensor to detect the rain in the agriculture field & generates an alarm whenever there is rain so that we can take some proper actions to conserve the water as well as crops. Consequently, we can enhance the underground water levels through a recharge technique used underwater. This sensor detects the rain and gives an alert to concerned persons in d … [Read more...]

What is a Clap Switch : Circuit & Its Working

August 12, 2021 By WatElectronics

Clap Switch Working

As the name suggests, clap switch is a simple interesting project for beginners and hobbyists. This circuit is used to make the light ON through a clap sound but it can work through any kind of same pitch sound. The essential components used to build this project are electric condenser mic as a sound sensor. The main function of this device is to change the energy of sound to electrical. A 555 timer through a transistor activates the LED and after some time, it will be turned OFF. When this … [Read more...]

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