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← ScienceWhen a ship's magnetic signature exceeds limits near demagnetization coils, which mechanism induces localized corrosion?
A)Electromagnetic field imbalance
B)Galvanic current intensification✓
C)Cathodic shielding breakdown
D)Uniform electrochemical dissolution
💡 Explanation
Galvanic current intensification occurs because variations in the electromagnetic field cause some areas to become more anodic than others, therefore accelerated corrosion occurs at anodic sites rather than uniform corrosion because the intensified current flow concentrates at those locations.
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