The Mechanical Universe
Electromagnetic Induction. After Oersted's 1820 discovery that electric currents create magnetism, it was theorized that magnetism should be able to create electric currents. The discovery of electromagnetic induction by Michael Faraday and Joseph Henry was one of the most important of the 19th century. This discovery has technological significance even today, as it is the means by which nearly all electric power is generated. (from themechanicaluniverse.org)
Lecture 37 - Electromagnetic Induction |
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