Question

What are the uses of hysteresis curve?

Answer 1

Answer:

Hysteresis loop is a closed curve showing the variation of the magnetic flux density of a ferromagnetic material with the external magnetic field producing it, when this field is changed through a complete cycle. Magnetically soft (low coercivity) iron is used for the cores in electromagnets.

Explanation:

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Answer 2

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Hysteresis is the dependence of the state of a system on its history. For example, a magnet may have more than one possible magnetic moment in a given magnetic field, depending on how the field changed in the past. Plots of a single component of the moment often form a loop or hysteresis curve, where there are different values of one variable depending on the direction of change of another variable...

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