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← ScienceWhich consequence can result when ferromagnetic shielding is incomplete?
A)Hysteresis heats nearby sensitive circuits
B)Barkhausen jumps induce phantom signals✓
C)Curie point oscillation generates noise
D)Magnetostriction bends circuit microstructures
💡 Explanation
Barkhausen jumps can induce phantom signals because domain wall movements within the incomplete ferromagnetic shield induce fluctuating magnetic fields via magnetic domain switching. Therefore, answer B is supported, rather than direct heating or structural deformation from other magnetic effects.
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