The Barkhausen effect is a name given to the noise in the magnetic output of a ferromagnet when the magnetizing force applied to it is changed. Discovered by German physicist Heinrich Barkhausen in 1919, it is caused by rapid changes in the size of magnetic domains (similarly magnetically oriented atoms in ferromagnetic materials).
The Barkhausen effect is a name given to the noise in the magnetic output of a ferromagnet when the magnetizing force applied to it is changed. Discovered by German physicist Heinrich Barkhausen in 1919, it is caused by rapid changes in the size of magnetic domains (similarly magnetically oriented atoms in ferromagnetic materials).
Source: Wikipedia "Barkhausen effect" · CC BY-SA 4.0
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