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← ScienceWhich outcome occurs when electrons undergo band bending in a semiconductor?
A)Formation of a depletion region✓
B)Increased thermal conductivity
C)Enhanced radiative recombination
D)Giant magnetoresistance oscillation
💡 Explanation
A depletion region forms near the junction because band bending modifies the local charge carrier concentration via drift-diffusion; therefore a region lacking mobile carriers emerge, rather than a state of increased conductivity in equilibrium semiconductors.
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