Levitating a spinning magnetic top above an air coil ...
1996-11-6 · We study the levitation of a spinning magnetic top above an air coil carrying a DC current. On the theoretical side we carry out an optimizing process for the geometry of the coil that minimizes the power consumption for a given hovering height, h, and a given top. We find that for a rectangular cross-section coil, carrying a uniform current density the normalized dimensions of the optimum ...
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