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Eddy Currents Sheppard Salon, M. V. K. Chari, Lale Ergene
Publisher: Wiley

Eddy current inspection is used in a variety of industries to find defects and make measurements. Eddy current (plural eddy currents). Eddy current testing is based on the physics phenomenon of electromagnetic induction. This electricity and electronics science fair project demonstrates the effects of eddy currents and induced magnetic fields. Small circular electric fields induced when a magnetic field is created. A simple explanation of how a vehicle or a machine can be brought to a halt with electromagnetic eddy current forces instead of friction. We have seen, in the above example, that when a conductor is moved in a magnetic field a motional emf is generated. The technology inside many of our devices is eddy current magnetic braking. Hence, an eddy current is the current which. Back EMF, eddy currents, and magnetic damping are all due to induced EMF and can be explained by Faraday's law of induction. Circulating currents called eddy currents are induced in large or bulk pieces of metal in a changing magnetic field. Nov 25, 2014 - 1 min - Uploaded by mopatin magnet pendulum. Eddy currents are one case of electromagnetic induction, usually an undesired one. A coil of copper wire is the common method of inducing eddy currents. Present State of Eddy Current Inspection. Alternating current running through a coil creates magnetic fields in and around the coil. Eddy Current Losses in Transformer. After reading this section you will be able to do the following: Explain what an Eddy Current is.