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Physics
Which of the following statements is incorrect about hysteresis?
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Q. Which of the following statements is incorrect about hysteresis?
Magnetism and Matter
A
This effect is common to all ferromagnetic substances.
B
The hysteresis loop area is proportional to the thermal energy developed per unit volume of the material.
C
The hysteresis loop area is independent of the thermal energy developed per unit volume of the material.
D
The shape of the hysteresis loop is characteristic of the material.
Solution:
The energy lost per unit volume of a substance in a complete cycle of magnetisation is equal to the area of the hysteresis loop.