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Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 18 (Q.No. 34)
Exam Questions Papers
34.
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?
Growth of favourably oriented domains at the cost of other domains by reversible boundary displacements
Growth of favourably oriented domains at the cost of other domains by irreversible boundary displacements
Domain wall orientation
A combination of processes (a) and (c) above
Answer: Option
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