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← ScienceWhich consequence results when applied tensile stress narrows the conduction band in germanium?
A)Increased semiconductor conductivity occurs✓
B)Hall effect magnitude decreases
C)Ferromagnetic ordering intensifies
D)Increased electron-phonon scattering appears
💡 Explanation
Increased conductivity occurs because applied stress modifies interatomic spacing, which narrows the conduction band via electron delocalization. Therefore, more electrons become available for conduction, rather than reduced conductivity, and differs from magnetic or scattering phenomena.
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