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← ScienceWhich outcome occurs when semiconductor doping reduces bandgap?
A)Increased electrical conductivity occurs✓
B)Thermal runaway risk decreases
C)Mechanical stress tolerance rises
D)Refractive index remains constant
💡 Explanation
Enhanced semiconductor doping reduces the width of the bandgap; this allows electrons to more easily jump into the conduction band, which boosts free carrier concentration because more current will flow, therefore electrical conductivity increases, rather than decreasing device performance or thermal stability.
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