Tesla-coil meaning

A transformer that is used as a source of high-frequency alternating current, as for x-ray tubes.
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A transformer that is used as a source of high-frequency alternating current, as for x-ray tubes.
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An electrical device that generates extremely high voltages, usually for the purpose of creating dramatic electric arcs and lightning effects or for producing x-rays. Tesla coils use step-up transformers to boost the voltage of a power supply and build up large charges in a capacitor. A spark gap periodically shorts out the capacitor, releasing its charge in huge current flows, that generate extremely high voltages (up to ten million volts) through an open-air transformer.
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A type of resonant transformer circuit used to produce high voltage, low current, high frequency alternating current electricity.
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Origin of tesla-coil

  • After Nikola Tesla

    From American Heritage Dictionary of the English Language, 5th Edition

  • From the inventor Nikola Tesla, around 1891.

    From Wiktionary