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Which 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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