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Electronics Tutorial for Beginners

ABC of Electronics Offering free comprehensive basic electronics tutorial. In this Electronics Tutorial we have explained the basic electronic concepts. Here you can find 8051 Tutorials & 555 Timer Tutorials which are commonly used in electronics. Every effort is made to keep the website up and running smoothly

Thomas Edison Profile

Thomas Edison (1847-1931), American inventor, who developed an incandescent electric light bulb was born in Milan, Ohio.

Inventions done by Thomas Edison

  • Telegraphic repeating instrument

  • Phonograph

  • Incandescent electric light bulb

  • First large central electric-power station

  • Kinetoscope

Thomas Edison Effect

edison

'We can get an electric current to flow through vacuum'. Thomas Edison noticed this observation in 1883. After experimenting with light bulbs Edison saw that he could get current to move from the hot filament to a metal plate. What Edison founded was that electrical current doesn't need a wire to move through i.e a medium to move through. It can travel easily through a gas or even a vacuum. This is what we know as Edison effect.This discovery by Thomas Edison so called Edison's discovery that current can travel through a vacuum was not considered useful until 1904 then a British scientist named John A. Fleming made a vacuum tube known today as a diode. At that time diode was called as a "valve," because of it throwing electric current in the tube to travel only in one direction. This single directional flow was important for radio sets which had to convert alternating current into direct current AC to DC Conversion. Now these Diodes are used in almost every electronics circuit

 
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