# Encyclopedia of magnetics and electromagnetics

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magnetic_field_strength

# Magnetic field strength

 Stan Zurek, Magnetic field strength , Encyclopedia-Magnetica.com, {accessed 2020-10-23}

## Definition

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.