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← ScienceWhich consequence results when the Debye length increases within a semiconductor?
A)Increased capacitance in depletion region
B)Reduced effectiveness of doping profile✓
C)Enhanced built-in voltage formation
D)Decreased electron-hole recombination rate
💡 Explanation
Increased Debye length implies larger screening length; weakening of the electrostatic potential because increased thermal fluctuations allows carriers to diffuse farther, weakening the potential created by the doping profile. Therefore, it's 'B' rather than stronger field effect.
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