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← ScienceWhich outcome occurs when doping modifies silicon crystal orbitals?
A)Enhanced electrical conductivity via band filling✓
B)Reduced thermal vibration within the lattice
C)Increased optical transparency at all frequencies
D)Greater mechanical hardness with limited plasticity
💡 Explanation
Doping introduces additional electrons into silicon's conduction band via band population effects; therefore, electrical conductivity increases because increased electrons can move freely, rather than other effects altering thermal, optical, or mechanical properties.
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