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← ScienceWhich consequence results when excessive *n*-type doping occurs?
A)Fermi level enters conduction band✓
B)Band gap energy increases linearly
C)Minority carriers dominate conduction
D)Intrinsic carrier concentration declines
💡 Explanation
The Fermi level moves into the conduction band causing increased conductivity due to degenerate semiconductor behavior because of extensive doping levels reducing the gap, therefore conductivity behaves like metal rather than semiconductor behavior, rather than increased bandgap.
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