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← ScienceWhich consequence will occur when electrons tunnel through depletion regions?
A)Increased reverse bias current flow✓
B)Decreased Zener diode breakdown
C)Enhanced electron-hole recombination events
D)Suppressed avalanche shot noise production
💡 Explanation
Increased reverse current results because quantum mechanical tunneling allows electrons to traverse the high-field depletion region, despite the barrier, especially in heavily doped semiconductors, rather than impact ionization dominating.
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