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← ScienceWhich outcome accelerates when strain increases within ferrite cores?
A)Coercivity threshold reduction
B)Spontaneous magnetization enhancement
C)Magnetostriction energy reduction
D)Magnetic domain wall pinning✓
💡 Explanation
Increased strain impedes domain wall movement via Magnetic domain wall pinning, because lattice distortions introduce energy barriers. Therefore, coercivity subsequently increases because more energy is required to reverse magnetism, rather than domains moving freely.
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