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Scientists. v. t. e. In electromagnetism, permeability is the measure of magnetization produced in a material in response to an applied magnetic field. Permeability is typically represented by the (italicized) Greek letter μ. It is the ratio of the magnetic induction to the magnetizing field as a function of the field in a material.
The shape of the magnetic fields of a permanent magnet and an electromagnet are revealed by the orientation of iron filings sprinkled on pieces of paper. A magnetic field (sometimes called B-field[ 1]) is a physical field that describes the magnetic influence on moving electric charges, electric currents, [ 2]: ch1 [ 3] and magnetic materials.
The name "Koozie", with a capital "K", is a federally registered trademark in the United States, [ 1] originally coined by Bob Autrey of San Antonio, Texas, and rights later sold to Radio Cap Corporation (RCC) as the KOOZIE in the early 1980s. The company RCC specialized in baseball caps before registering a trademark for the name KOOZIE in ...
The most elementary force between magnets is the magnetic dipole–dipole interaction. If all magnetic dipoles for each magnet are known then the net force on both magnets can be determined by summing all the interactions between the dipoles of the first magnet and the dipoles of the second magnet.
Volume susceptibility. Magnetic susceptibility is a dimensionless proportionality constant that indicates the degree of magnetization of a material in response to an applied magnetic field. A related term is magnetizability, the proportion between magnetic moment and magnetic flux density. [ 3] A closely related parameter is the permeability ...
Magnetoresistance is the tendency of a material (often ferromagnetic) to change the value of its electrical resistance in an externally-applied magnetic field. There are a variety of effects that can be called magnetoresistance. Some occur in bulk non-magnetic metals and semiconductors, such as geometrical magnetoresistance, Shubnikov–de Haas ...
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