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What is meant by hysteresis? Discuss bri...

What is meant by hysteresis? Discuss briefly the dissipation of energy due to hysteresis. Draw hysteresis curves to soft iron and steel.

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Knowledge Check

  • The hysteresis curve is studied generally for

    A
    Paramagnetic materials
    B
    Diamagnetic materials
    C
    Ferromagnetic materials
    D
    All of these

  • Hysteresis loss for steel is ……. .that for iron.

    A
    lesser than
    B
    equal to
    C
    greater than
    D
    Either (b) and (c)

  • The area of B-H hysteresis curve is an indication of:

    A
    The permeability of the substance
    B
    The susceptibility of the substance
    C
    The retentivity of the substance
    D
    The enrgy dissipated per cycle per unit volume of the substance

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