Remanence
From Free net encyclopedia
Remanence is the magnetization left behind in a medium after an external magnetic field is removed. It is denoted in equations as <math>M_r</math>.
The remanence magnitude can be taken from a hysteresis loop at the intersections of the loop with the vertical magnetization axis.
Remanence has application in geology (concerning paleomagnetism), computer engineering (concerning data storage and recovery), and physics (concerning magnetism).
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