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← ScienceWhich outcome results when thermal energy excites electrons across silicon's band gap?
A)Increased electrical conductivity within layers✓
B)Decreased electron effective mass occurs
C)Augmented phonon scattering events increase
D)Reduced electron-hole recombination dynamics
💡 Explanation
When thermal energy bridges silicon's band gap, more electrons jump to the conduction band; this increases electrical conductivity via increased charge carriers. Because conductivity rises, rather than phonon scattering worsening or recombination improving, that’s the outcome.
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