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magnetic diffusivity |
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magnetic diffusivity [mag′ned·ik ‚di‚fyü′siv·əd·ē] (electromagnetism) A measure of the tendency of a magnetic field to diffuse through a conducting medium at rest; it is equal to the partial derivative of the magnetic field strength with respect to time divided by the Laplacian of the magnetic field, or to the reciprocal of 4πμσ, where μ is the magnetic permeability and σ is the conductivity in electromagnetic units. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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