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← TechnologyWhich outcome occurs when a photovoltaic cell experiences reverse bias exceeding its Zener voltage?
A)Avalanche breakdown of the junction✓
B)Increased electron-hole recombination rate
C)Improved open-circuit voltage (Voc)
D)Enhanced photon absorption efficiency
💡 Explanation
Avalanche breakdown occurs because high reverse voltage generates a strong electric field, causing impact ionization within the depletion region. Therefore, avalanche breakdown occurs rather than efficient voltage generation or enhanced efficiency under normal forward-bias conditions.
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