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प्रश्न
What is magnetic hysterisis?
टीपा लिहा
उत्तर
The magnetic flux density through a material is dependent on both the applied magnetizing field and the prior state of magnetization, a phenomenon known as magnetic hysteresis, which is shown by ferromagnetic materials. The flux density B lags behind (does not stay in step) with magnetizing field H because it is still remembering its former state of magnetization. Hysteresis is the term for this delay in the magnetization M (or, equivalently, B) change in reaction to a change in H.
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