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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Hippolyte Pixii ： ウィキペディア英語版 Hippolyte Pixii Hippolyte Pixii (1808–1835) was an instrument maker from Paris, France. In 1832 he built an early form of alternating current electrical generator, based on the principle of magnetic 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 experienced 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 on acting on a suggestion by André-Marie Ampère other results were obtained by introducing a commutator, which produced a pulsating direct current which at this time was preferable to alternating current. Although Pixii at the time did not fully understand electromagnetic induction, his device led to more sophisticated devices. ==See also== * Alternating current ==External links== * (Interactive Java Tutorial on the Pixii Machine invented by Hippolyte Pixii ) National High Magnetic Field Laboratory 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hippolyte Pixii」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.