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← ScienceWhich risk increases when a submarine's variable ballast capacitor reaches voltage breakdown?
A)Internal electronics experience cascading overcurrent
B)Buoyancy control becomes completely nonlinear✓
C)Electromagnetic pulse (EMP) emission occurs
D)Capacitor's dielectric heats uncontrollably
💡 Explanation
Nonlinear buoyancy presents greatest danger. Dielectric breakdown causes capacitance to become heavily voltage-dependent because the effective plate separation changes non-uniformly with voltage, therefore the buoyancy changes unpredictably instead of proportionally, rather than triggering cascading failures through overcurrent.
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