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← ScienceWhich risk increases greatly when applying reverse bias?
A)Electron avalanche becomes far more likely.✓
B)Joule heating drastically lowers conductivity.
C)Recombination vastly diminishes current density.
D)Electron entanglement becomes highly unstable.
💡 Explanation
Applying reverse bias on a semiconductor enhances the electric field nearby; because the concentration gradient increases within the depletion region, impact ionization causes electron avalanche, therefore greatly increasing current and the risk of damage, rather than other effects under normal operating conditions.
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