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Induction, AC Circuits, and Electrical Technologies
Magnetic Flux, Induction, and Faraday's Law
Physics Textbooks Boundless Physics Induction, AC Circuits, and Electrical Technologies Magnetic Flux, Induction, and Faraday's Law
Physics Textbooks Boundless Physics Induction, AC Circuits, and Electrical Technologies
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Back EMF, Eddy Currents, and Magnetic Damping

Device for Exploring Eddy Currents and Magnetic Damping

Device for Exploring Eddy Currents and Magnetic Damping

A common physics demonstration device for exploring eddy currents and magnetic damping. (a) The motion of a metal pendulum bob swinging between the poles of a magnet is quickly damped by the action of eddy currents. (b) There is little effect on the motion of a slotted metal bob, implying that eddy currents are made less effective. (c) There is also no magnetic damping on a nonconducting bob, since the eddy currents are extremely small.

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "OpenStax College, Eddy Currents and Magnetic Damping. February 8, 2013."
    http://cnx.org/content/m42404/latest/ OpenStax CNX CC BY 3.0.

Related Terms

  • Faraday’s law of induction
  • electromotive force
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