Electrical Engineering

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Electrical engineering is one of the prominent branches of engineering which was originated back in the late 19th century. This engineering branch deals with electricity technology. The field of electrical engineering encompasses electrical power systems, smart grid procedures to energy distribution and transmission, control and operation, energy system preparation, electricity demands, electrical security, energy storage in electrical power vehicles and systems, renewable energy production, power electronics, microgrids, electrical vehicles, electrical devices and approaches, railroad electrification operations and electronic transportation infrastructures, electricity protection, high voltage engineering, electromagnetic travelers in power systems, electrical packing systems, equipment, tools, and elements. Electrical engineering has immense scope and these engineers are skilled to work in a wide range of settings. They keep extensive knowledge and skills about the elements, tools, and systems, from little microchips to huge power station generators.

As an inevitable segment of engineering, electrical engineering is the discipline associated with the study, plan, design, and employment of tools, devices, and practices that use electronics, electricity, and electromagnetism. It emerged as an identifiable profession in the last half of the 19th century after the commercialization of the electrical telegraph, electrical energy production, telephone, distribution, and use.

The Applications of Electrical Engineering[edit]

Electrical engineering is a wide discipline that is further classified into a multitude of fields. This includes systems engineering, computer engineering, telecommunications, power engineering, signal processing, radio-frequency engineering, electronics, and instrumentation. The majority of these disciplines protrude with other branches of engineering, crossing a huge quantity of specializations. It comprises power electronics, hardware engineering, waves and electromagnetics, nanotechnology, mechatronics, renewable energies, microwave engineering, electrochemistry, and electrical materials science.

Electrical engineers must have an electrical engineering degree. It is also acknowledged as electronic engineering. Practicing engineers must have professional certification in order to be a member of a licensed body or the global standards institution. These constitute the Institution of Engineering and Technology (IET) (formerly the IEE), the Institute of Electrical and Electronics Engineers (IEEE), and the International Electrotechnical Commission (IEC). The traces of electrical engineering applications and professionals can be seen in a very wide variety of industries. The skills of electrical engineering are needed for variables too. The skills vary from circuit system to the supervision skills while working as a project manager. The equipment and devices that an individual engineer may require are likewise variable, varying from a mere voltmeter to advanced design and production software.

Subfields of Electrical Engineering[edit]

As mentioned earlier, electrical engineering consists of many subdisciplines. Some of the most common subdisciplines are mentioned. The majority of electrical engineers focus particularly on one among these subdisciplines, while, some of them deals with a blend of them. There are also certain fields like computer engineering and electronic engineering. These are considered individual systems in their own right.


Power engineering is the subfield with the production, exportation, and distribution of electricity, and along with that, the design of a variety of relevant devices. These involve electric generators, transformers, high voltage design, electronic instruments, and power electronics. In many countries of the world, authorities prepare an electrical network. This network is known as a power grid that combines a variety of generators together with consumers of their energy.


Control engineering is another popular subdiscipline of electrical engineering. It focuses on the designing of a distinct variety of electric systems and the controller designs that will make these systems to function in the desired manner. The electrical engineers perform such controllers by using digital signal processors, electronic circuits, programmable logic controllers (PLCs), and microcontrollers. Control engineering consists of a broad range of applications from the inspiration and momentum systems of industrial airliners in different modern automobiles. It also performs a critical role in technical automation.


Electronic engineering includes the study and testing of electronic circuits. These are the ones that make use of the attributes of elements. It includes things like resistors, inductors, diodes, capacitors, and transistors to perform an appropriate functionality. The tuned circuit enables the user of a receiver to filter like a single station. This is one example of that kind of circuit. Another example for this is a pneumatic signal conditioner.


Satellite dishes are a critical element used in the study of the satellite information. Telecommunications engineering can be defined as one subdiscipline which concentrates on the transportation of data across a transmission channel like an optical fiber, coax cable, or free space. Communications across free space need the data to be encoded in a transmitter signal to change the data to a transmitter frequency proper for transmission. The entire process is known as modulation.

Microelectronics and Microfabrications[edit]

Microelectronics engineering is the subdiscipline associated with the design. On the other hand, microfabrication of extremely small electronic circuit elements for application in a combined circuit or sometimes for practicing on their usual electronic element. The most basic microelectronic elements are semiconductor electronics, although all central electric elements (capacitors, resistors, etc.) can be developed at a microscopic level.

What does an electrical engineer do?[edit]

"Electrical engineers design, produce, inspect, and manage the production of electrical machinery and appliances. This includes devices such as electrical motors, detectors, and navigating systems, transmissions systems, and power and energy generation devices. According to the U.S. Bureau of Labor Statistics, Electronics engineering is the field where professionals design and develop different kinds of useful electronic equipment like broadcast and communications systems. From a global positioning system to portable music players; all of them are developed using applications of electrical engineering.

These days’ electrical engineers create electronic systems and devices with the help of basic elements such as conductors, batteries, coils, inductors, magnets, resistors, switches, capacitors, transistors, and diodes. It is critical for aspirants of electrical engineering to have required skills in the field and an in-depth understanding of electronic theory, mathematics, science, and materials.

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