eddy current

American  

noun

1. an electric current in a conducting material that results from induction by a moving or varying magnetic field.

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eddy current British  

noun

1. Also called: Foucault current.  an electric current induced in a massive conductor, such as the core of an electromagnet, transformer, etc, by an alternating magnetic field

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Etymology

Origin of eddy current

1590–1600, for an earlier sense

Example Sentences

See Examples For:

eddy current

In one part of the conveyor system, a vibrating panel called an eddy current creates a sort of reverse magnet that repels nonferrous materials like aluminum beverage cans into their own collection area.

From Barron's ● Jun. 17, 2026

Large magnets pull out metals; aluminum is itself magnetized using what’s known as an eddy current to draw it out.

From Seattle Times ● Jan. 5, 2024

But when the plate leaves the field on the right, flux decreases, causing an eddy current in the clockwise direction that, again, experiences a force to the left, further slowing the motion.

From Textbooks ● Aug. 12, 2015

If motional emf can cause a current loop in the conductor, we refer to that current as an eddy current.

From Textbooks ● Aug. 12, 2015

As the polar projections must necessarily be very narrow, very thin wires or sheets must be used to avoid the eddy current effects.

From The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting by Thomas Commerford Martin