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← ScienceWhich outcome impairs magnetic shielding when a ferromagnetic conduit reaches its Curie temperature?
A)Domain alignment becomes randomized✓
B)Susceptibility to H-field increases
C)Magnetostriction reaches zero
D)Coercivity gets exponentially stronger
💡 Explanation
Random domain shifting reduces shielding effectiveness because thermal energy exceeds domain alignment energy via the Curie point transition; therefore, materials lose ferromagnetic properties, rather than enhancing susceptibility as the alignment falls due to the absence of coupling with previously aligned atoms.
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