Undergrad How does a rotating magnet create levitation?

Thread starter sergiokapone
Start date Nov 2, 2022
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Levitation Magnet Magnetic dipole Rotating

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A rotating magnet generates an alternating current (AC) magnetic field that induces currents in a conductive surface. According to Lenz's law, these induced currents oppose changes in the magnetic field, resulting in a repelling force. This phenomenon is the basis for magnetic levitation (levitation) technology. The principle is effectively utilized in Maglev trains, which rely on this repelling force for propulsion and suspension. Understanding this effect is crucial for advancements in transportation technology.

Nov 2, 2022

sergiokapone

Is any physical explanation of this effect?

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Nov 21, 2022

Henryk

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Yes, A rotating magnet creates an AC magnetic field. That induces currents within the conductive surface which, by Lentz law, oppose the changes in the magnetic field, ergo, create a repelling force.
This principle has been applied to Maglev trains.

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