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Hippolyte Pixii (1808 - 1835)

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Hippolyte Pixii
Born [location unknown]
Son of [father unknown] and [mother unknown]
[sibling(s) unknown]
[spouse(s) unknown]
[children unknown]
Died [location unknown]
Profile last modified 13 Jul 2019 | Created 11 Jan 2019
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Biography

Hippolyte Pixii was an instrument maker from Paris, France. In 1832 he built an early form of alternating current electrical generator, based on the principle of electromagnetic induction discovered by Michael Faraday. Pixii's device was a spinning magnet, operated by a hand crank, where the north and south poles passed over a coil with an iron core. A current pulse was produced each time a pole passed over the coil. He also found that the current direction changed when the north pole passed over the coil after the south pole. Later, acting on a suggestion by André-Marie Ampère, other results were obtained by introducing a commutator which produced a pulsating direct current. At that time direct current was preferable to alternating current. Although Pixii did not fully understand electromagnetic induction, his device led to more sophisticated devices being constructed.

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Categories: French Inventors | French Notables | Notables