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← ScienceWhich mechanism initiates dielectric breakdown in a capacitor from voltage standing waves?
A)Capacitance increase reduces resonant amplification
B)Localized field intensification elevates electron energy✓
C)Thermal runaway decreases material resistance
D)Electromigration depletes dielectric barrier thickness
💡 Explanation
Localized field intensification causes immediate dielectric breakdown because the electric field within specific regions dramatically increases due to wave interference pattern, therefore causing heightened electron energy rather than uniform field heating, or diffusion limited thickness changes.
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