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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.
The extra coil or helical resonator can be physically separated from the two close-coupled coils which comprise the master oscillator or driver section. The power from the master oscillator is fed to the lower end of the extra coil resonator through a large diameter electrical conductor or pipe to minimize corona.
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.
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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 ...
This is a modern unipolar version of the circuit used for entertainment coils, in which one side of the secondary is grounded and the other side is connected to a toroidal-shaped capacitive high voltage terminal. A slightly different form of the circuit, with the positions of the capacitor and spark gap exchanged, is found at Tesla coil 3.svg
If you've been having trouble with any of the connections or words in Friday's puzzle, you're not alone and these hints should definitely help you out. Plus, I'll reveal the answers further down ...
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