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← ScienceWhich behavior allows electrons to pass through insulated semiconductors?
A)Quantum tunneling increases exponentially✓
B)Dielectric breakdown becomes self-sustaining
C)Thermionic emission reduces resistance
D)Avalanche multiplication exceeds Zener limit
💡 Explanation
Quantum tunneling enables electrons to pass through a potential barrier, because the wave function has a nonzero probability of penetration. Therefore, electrons tunnel through insulated semiconductors rather than conducting via conventional band transport, because dielectric breakdown necessitates higher voltages.
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