Monday, 5 October 2020

Electronics I

 




Electronics I, the science of electronics is the science concerned with studying the transfer of charges in semiconducting materials, the most famous of which are silicon and germanium, where electronic elements are used in many devices such as radios, televisions, computers and many other devices that led to our current era being called the electronic age.

 

In this laboratory, the basics of electronics that the student learns in the theoretical course will be demonstrated in practice. Where the student will implement several circuits such as half-wave and full-wave straightening circuits and wave amplification circuits, and make simulations for these circuits.

 

Electronics I

Electronics is a branch of physics and engineering that deals with controlling the flow of electric charges in certain devices to achieve useful purposes. Electronic components (parts) are used in a wide range of products, such as radios, televisions, computers, video recorders, hearing aids, medical devices, and many other products.

 

The dependence on electronic products has increased in our time to the point that this era is often called the electronic age.

 

Electronics was originally concerned with describing the behavior of free electrons in vacuum vessels, and later this term was used to include the behavior of these electrons in gases, liquids, and solids. And in the end, it became a special branch of electrical engineering.

 

It can be said that electrical engineering, which is concerned with studying the movement of electrons in conductors, is a branch of electronics that studies the movement of electrons wherever they appear.

 

The truth in all of this is that the concept of the electron is very general and very basic so that it is impossible to outwardly limit the scope of this subject or its industrial applications.

 

Electronics is part of a wider field, that is, electricity. Electricity has two important components:

 1- Electric Current .

2- Electric Voltage.

 

Electric current is the flow of electric charges, while electric voltages are a type of "pressure" (or force) that causes charges to move in one direction.

 

One of the usual uses of electricity is to provide homes and institutions with the energy used to provide light and heat and to drive motors.

 

Electronics mainly deals with the use of current and voltage to carry electrical signals. An electrical signal is electric current (or voltage) that is somehow pivoted to represent information.

 

They may represent sounds, pictures, numbers, letters, computer instructions, or other information. The signals can also be used to count objects, measure temperature and time, and detect radioactive chemicals.

 

Electronics relies on certain highly specialized components, such as transistors, and integrated circuits, which are part of nearly all electronic equipment.

 

The value of such devices lies in their ability to process signals with great speed. Some components can respond to signals millions of times per second.

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