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← ScienceWhich consequence results when a nickel-iron alloy shield experiences exceeding saturation?
A)Reduced effective magnetic permeability✓
B)Increased Curie temperature threshold
C)Enhanced skin depth penetration
D)Suppressed magnetostriction coefficient
💡 Explanation
When exceeding the saturation magnetization in a ferromagnetic shield, the magnetic domains are fully aligned; thus, the magnetic susceptibility decreases because the material cannot further increase its magnetization. Therefore, effective permeability reduces, rather than enhancement of the Curie temperature.
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