Electronics is the study of the flow of charge through various materials and devices such as semiconductors, resistors, capasitors, inductors, nano-structures.
Although considered to be a theoretical branch of physics, the design and construction of electronic circuits to solve practical problems is an essential technique in the fields of electronic engineering and computer engineering. This science started around 1908 with the invention by Lee De Forest of the valve (triode). Before 1950 this science was called “Radio technics” because its principal application was the design and theory of radio transmitters and recievers.
The study of new semiconductor devices and surrounding technology is sometimes considered a branch of physics. This article focuses on engineering aspects of electronics.
(electro08.wordpress.com)
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