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← ScienceWhich outcome occurs when an energetic electron approaches insulation?
A)Disruptive avalanche multiplication within dielectric occurs✓
B)Capacitance increases due to polarization
C)Complete blocking due to perfect reflection
D)Superconducting transport through localized pair production
💡 Explanation
Avalanche multiplication occurs because impact ionization creates more free carriers; therefore, dielectric breakdown results, rather than simple polarization, which would require a lower voltage, with electron gaining substantial kinetic energy prior to the collision with atoms.
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