What is the phenomenon shown by ferromagnetic substances whereby the magnetic flux through the medium on magnetising field as well as previous state of the substance?
A
Irradiation
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B
Hysteresis
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C
Inversion
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D
Magnetostriction
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Solution
The correct option is B Hysteresis B. Hysteresis.
A magnetic hysteresis, otherwise known as a hysteresis loop, is a representation of the magnetizing force(H) versus the magnetic flux density(B) of Ferromagnetic material. The curvature of the hysteresis is characteristic of the type of material being observed and can vary in size and shape.