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Ferromagnetic materials show hysteresis in B - H characteristic. As the magnetic field in increased slowly from zero value, what is the first process which sets the material to give net magnetization? | |
A. | Growth of favourably oriented domains at the cost of other domains by reversible boundary displacements [Wrong Answer] |
B. | Growth of favourably oriented domains at the cost of other domains by irreversible boundary displacements [Wrong Answer] |
C. | Domain wall orientation [Wrong Answer] |
D. | A combination of processes (a) and (c) above [Correct Answer] |
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