Tesla coil experiment. Electrical streamers sparking to and from a coil and its associated terminals at the laboratory operated by Serb-US physicist a
Tesla coil experiment. Electrical streamers sparking to and from a coil and its associated terminals at the laboratory operated by Serb-US physicist and electrical engineer Nikola Tesla (1856-1943) at Colorado Springs, Colorado, USA. Tesla operated this laboratory from 1899 to 1900. The electrical oscillator used here is delivering energy at a rate of 75,000 horsepower, at over 12 million volts, and a frequency of 130,000 times per second. The 20-metre-wide discharge creates a strong heating and updraft effect on the air. The coil named after Tesla is a type of resonant transformer that is used to produce high-voltage, low-current, high-frequency alternating current electricity. Tesla's research led to key advances in areas such as alternating current power generation and transmission. The SI unit of magnetic flux density is named in his honour.
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Photo credit: © NIKOLA TESLA MUSEUM/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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