A Tesla coil is a radio frequency oscillator that drives an air-core double-tuned resonant transformer to produce high voltages at low currents. Tesla's original circuits as well as most modern coils use a simple spark gap to excite oscillations in the tuned transformer.
Singing Tesla · Oudin coil · Transformer types · Spark-gap transmitter
Tesla coil
A Tesla coil is an electrical resonant transformer circuit designed by inventor Nikola Tesla in 1891. It is used to produce high-voltage, low-current, high frequency alternating-current electricity. Wikipedia
Uses: Application in educational demonstrations, novelty lighting, music
Inventor: Nikola Tesla
Related items: Transformer, electromagnetic field, resonance
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Jul. 10, 2014 · Essentially, the Tesla coil is two open electric circuits connected to a spark gap. A Tesla coil needs a high-voltage power source. A regular power source fed through a transformer can produce a current with the necessary power (at least thousands of volts).
(One of the very first particle accelerator designs, by Rolf Wideroe in 1928, generated its high voltage in a Tesla coil.) The coil has become a commonplace in ...
Jan. 28, 2014 · The Tesla coil requires one more thing: a capacitor to store charge and fire it all in one huge spark. The circuit of the coil contains a capacitor and ...
The capacitor begins to charge while the coil (based on this) begins to radiate an electromagnetic field. This coil is then placed around a second coil with many ...
This Instructable will walk you through building a medium sized Tesla coil. Tip Question Comment. Step 1: DANGER.