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Which outcome occurs when a semiconductor diode's reverse bias widens which region of its band structure?

A)Depletion region widening and reduced capacitance
B)Increased forward current, minimal reverse breakdown
C)Increased electron 'doping' around active region
D)Reduced energy band slope; increased conduction

💡 Explanation

Widening reverse bias causes depletion width increase via *increased band bending*, therefore reducing junction capacitance, because a larger depletion region has fewer mobile charge carriers rather than increased ones or conduction changes.

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