Image: Ruhmkorff coil schematic 1

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Description: Schematic diagram of a Ruhmkorff coil (induction coil or "spark coil") circuit. The Ruhmkorff coil was a high voltage transformer that generated pulsing high voltage current from a low voltage DC source by use of a vibrating magnetic contact arm called an interrupter. It was developed between 1836 and 1870 by Nicholas Callan, Heinrich Ruhmkorff and many others.
Title: Ruhmkorff coil schematic 1
Credit: Derived from Ruhmkorff inductor schem.svg, originally from Ruhmkorffinductor.svg. Alterations to Ruhmkorff inductor schem.svg: Redrew interrupter to clarify, increased thickness of wires, changed labels
Author: Original work: PieterJanR This version: Chetvorno
Usage Terms: Creative Commons Zero, Public Domain Dedication
License: CC0
License Link: http://creativecommons.org/publicdomain/zero/1.0/deed.en
Attribution Required?: No

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Induction coil

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