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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.
Tesla invented the Tesla coil during efforts to develop a "wireless" lighting system, with gas discharge light bulbs that would glow in an oscillating electric field from a high voltage, high frequency power source. [11] [8] For a high frequency source Tesla powered a Ruhmkorff coil (induction coil) with his high frequency alternator.
The heating coil was created using nichrome, and was later used in early versions of the toaster and the electric kettle. [11] The heating coil was one of the first projects for Hoskins Manufacturing Co.; Hoskins had considered manufacturing toasters, but later abandoned those plans, and focused on the coil itself. [12]
Nikola Tesla (/ ˈ n ɪ k ə l ə ˈ t ɛ s l ə /; [1] Serbian Cyrillic: Никола Тесла, [nǐkola têsla]; 10 July 1856 – 7 January 1943) was a Serbian-American [2] [3] engineer, futurist, and inventor. He is known for his contributions to the design of the modern alternating current (AC) electricity supply system. [4]
Russian engineer Pavel Yablochkov invented the electric carbon arc lamp. 1876: Scottish inventor Alexander Graham Bell patented the telephone. 1877: American inventor Thomas Edison invented the phonograph. 1877: German industrialist Werner von Siemens developed a primitive loudspeaker. 1878: First electric street lighting in Paris, France 1878
Invented in 1836 by the Irish-Catholic priest Nicholas Callan, also independently by American inventor Charles Grafton Page, [1] the induction coil was the first type of transformer. It was widely used in x-ray machines , [ 1 ] [ 6 ] spark-gap radio transmitters , [ 1 ] [ 6 ] arc lighting and quack medical electrotherapy devices from the 1880s ...
The practical coil circuits were the prototypes for the modern transformers. ... Incandescent electric lamp [7] U.S. patent 333,564, System of electric lighting;
With Edwin J. Houston, a former teacher and later colleague of Thomson's at Central High School, Thomson founded the Thomson-Houston Electric Company.Notable inventions created by Thomson during this period include an arc-lighting system, an automatically regulated three-coil dynamo, a magnetic lightning arrester, and a local power transformer. [4]