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← ScienceWhich outcome occurs at the n-p semiconductor junction due to differing band gaps?
A)Increased rate of electron-hole recombination
B)Formation of a depletion region✓
C)Uniform distribution of charge carriers
D)Elimination of built-in electric field
💡 Explanation
Formation of a depletion region occurs because band gap differences cause Diffusion, resulting in charge carrier movement and therefore an electric field across space charge region, rather than uniform distribution due to equal band gaps.
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