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Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge … Wikipedia
Transformer types — Circuit symbols Transformer with two windings and iron core. Step down or step up transformer. The symbol shows which winding has more turns, but not usually the … Wikipedia
Pulvermacher's chain — Fig. 1. Pulvermacher s chain. The handles pointing away from the holder are insulated so that the physician can safely place the device in contact with any part of the patient s body. The Pulvermacher chain, or in full as it was sold the… … Wikipedia
Tesla coil — at Questacon the National Science and Technology center in Canberra, Australia Uses Application in educational demonstrations, novelty lighting, as well as music Inventor … Wikipedia
André Blondel — Infobox Scientist name = André Blondel box width = image size =150px caption = André Blondel in 1888 birth date = August 28, 1863 birth place = Chaumont, Haute Marne death date = November 15, 1938 death place = Paris residence = citizenship =… … Wikipedia

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