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Eddy currents are swirling loops of electrical current induced in a conductor when exposed to changing magnetic fields. They create resistance to the magnetic field's movement.
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Eddy currents are the result of Faraday's law of electromagnetic induction. Changing magnetic fields induce electric currents within conductive materials.
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They're like tiny loops of electricity that can cook on induction stoves, help power our homes, and even make cars brake smoothly.
Eddy currents find use in various applications. In braking systems, like those in trains, they generate resistance, converting kinetic energy into heat energy and slowing down the vehicle.
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Eddy currents find application in everyday life through induction cooktops, where they generate heat in metal pans.
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Eddy current testing is a non-destructive technique used to detect flaws, cracks, or inconsistencies in metal objects like pipes, aircraft parts, and more.
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Image credit - Wikipedia