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← ScienceWhich consequence results when a bridge's grounding system fails during a lightning strike?
A)Uncontrolled current discharge induces electrolysis✓
B)Localized heating causes material embrittlement
C)Reduced magnetic flux causes cable slack
D)Increased capacitance induces resonant harmonics
💡 Explanation
Electrolysis causes corrosion. Stray bridge currents induce electrolysis; electrons flow through the concrete/metal because dissimilar materials form electrolytic cells. Electrolysis accelerates corrosion, therefore, weakening the structure, rather than directly causing heating or mechanical effects.
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