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A Tesla coil is an electrical resonant transformer circuit designed by inventor Nikola Tesla in 1891. [1] It is used to produce high-voltage, low-current, high-frequency alternating-current electricity. [2] [3] Tesla experimented with a number of different configurations consisting of two, or sometimes three, coupled resonant electric circuits.
With the success of Tesla's A.C. system, it soon became the preferred method of generating electricity worldwide. Tesla worked on a number of other inventions, including a transformer that would change a low voltage to a high voltage by means of safe A.C. electric current. This transformer came to be known as the Tesla coil.
The photo was part of a publicity spread taken by photographer Dickinson Alley in December 1899 to accompany Tesla's magazine article Nikola Tesla, "The Problem of Increasing Human Energy", Century Magazine, The Century Co., New York, June 1900, fig. 8; a version without Tesla appears in the article. Wellcome Images
English: Circuit diagram of a Tesla coil, a spark-excited resonant transformer circuit invented in 1891 by Nikola Tesla. It generates very high voltage, radio frequency alternating current electricity at low current levels.
English: An experimental Tesla coil circuit to duplicate the discharges of a Holtz electrostatic machine, from Tesla's 1892 lecture before the Institute of Electrical Engineers, London, England. Following the initial research of voltage and frequency by William Crookes, Nikola Tesla developed a series of coils that produced high-voltage, high ...
English: Circuit diagram of a unipolar Tesla coil, a spark-excited resonant transformer circuit invented in 1891 by Serbian-American inventor Nikola Tesla, which produces high voltage, radio frequency alternating current at low current levels. This is a modern unipolar version of the circuit used for entertainment coils, in which one side of ...
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English: Circuit diagram of a modern unipolar W:Tesla coil, a spark-excited resonant transformer circuit which produces high frequency high voltage alternating current at low current levels. It was invented by Serbian-American inventor Nikola Tesla in 1891.