magnetic repulsion |
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navigate by keyword : alternating circuit coil current demonstration education educative electricity electromechanics experiment hand hover human induction iron kernel laboratory magnetic magnetism nature orange physics power pressed repulsion ring school science scientific setup short transformation transformer turns tutorial university voltage windings |
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A metal ring hovers on the iron kernel of a coil as long as alternating current is connected to the coil. The metal ring is exposed to magnetic repulsion from the coil. |
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