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[Magnetic field strength, H]
Magnetic field strength, H
Vector unit that expresses the strength of a magnetic field.
In the SI system, the magnetic field strength is expressed in amperes per metre or A/m. An older unit, from the Gaussian-CGS system, is the Oersted (≈ 79.5775 A/m).
The magnetic field strength is usually given as the symbol H and is the counterpart of the magnetic flux density B. Also called magnetic induction.
Read more about Maxwell’s laws on Wikipedia.