# Encyclopedia of electromagnetics

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# Magnetic field strength

 Stan Zurek, Magnetic field strength, Encyclopedia Magnetica, E-Magnetica.pl

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Magnetic field strength $H$ - a physical quantity used as one of the basic measures of the intensity of magnetic field.1)2) The unit of magnetic field strength3) is ampere per metre or A/m.

Magnetic field strength $H$ can be thought of as excitation and the magnetic flux density $B$ as the response of the medium.