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← ScienceWhich consequence results when increased temperature affects semiconducting photodiode band gaps?
A)Decreased reverse saturation current occurs
B)Increased electron-hole pair recombination✓
C)Enhanced depletion region width results
D)Lowered photo generated current occurs
💡 Explanation
Increased temperature narrows the band gap, an effect called band gap reduction, increasing electron-hole pair generation. Therefore carrier recombination greatly rises, rather than reduced saturation currents, because thermal energy overwhelms the depletion region.
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