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  2. Tesla coil - Wikipedia

    en.wikipedia.org/wiki/Tesla_coil

    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.

  3. File:TeslaPOLYPHASEColumbianEXPO1893rwLIPACKownerA.pdf

    en.wikipedia.org/wiki/File:TeslaPOLYPHASE...

    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.

  4. File:Tesla-Magnifier-Electrostatic.svg - Wikipedia

    en.wikipedia.org/wiki/File:Tesla-Magnifier...

    It is interesting to note that rigorous mathematical descriptions of Tesla's Magnifier did not become available until 50-100 years after Tesla's pioneering work. Modern analyses have succeeded in applying distributed "transmission line" descriptions of the "extra coil" rather than the usual lumped-constant analysis.

  5. Resonant inductive coupling - Wikipedia

    en.wikipedia.org/wiki/Resonant_inductive_coupling

    [11] [12] [13] In 1897 he patented a device [14] called the high-voltage, resonant transformer or "Tesla coil." Transferring electrical energy from the primary coil to the secondary coil by resonant induction, a Tesla coil is capable of producing very high voltages at high frequency. The improved design allowed for the safe production and ...

  6. File:Nikola Tesla, with his equipment EDIT.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Nikola_Tesla,_with...

    During 1899-1900 Tesla built this laboratory and researched wireless transmission of electric power there. The Magnifying Transmitter, one of the largest Tesla coils ever built, with input power of 300 kW could produce potentials of around 12 million volts at a frequency of about 150 kHz, creating 130 ft. (41 m) "lightning bolts". The arcs in ...

  7. File:Tesla coil in action.webm - Wikipedia

    en.wikipedia.org/wiki/File:Tesla_coil_in_action.webm

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  8. File:EarlyTeslaCoil.svg - Wikipedia

    en.wikipedia.org/wiki/File:EarlyTeslaCoil.svg

    Tesla coils achieve great gain in voltage by loosely coupling two resonant LC circuits together, using an air-core (ironless) transformer. Unlike a conventional transformer, whose gain is limited to the ratio of the numbers of turns in the windings, Tesla coils' voltage gain is proportional to the square root of the ratio of secondary and ...

  9. History of the Tesla coil - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Tesla_coil

    Tesla coils were also used as dramatic props in early mystery and science fiction motion pictures, starting in the silent era. [32] The crackling, writhing sparks emanating from the electrode of a giant Tesla coil became Hollywood's iconic symbol of the "mad scientist's" lab, recognized throughout the world. [138]

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