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← ScienceWhich outcome results when a semiconductor's band gap narrows under strain?
A)Increased electrical conductivity✓
B)Reduced carrier mobility
C)Enhanced piezoelectric effect
D)Decreased thermal conductivity
💡 Explanation
Increased conductivity occurs because decreased band gap leads to increased electron excitation, which triggers higher carrier concentration via Tunneling. Therefore, current flow rises, rather than other properties changing, depending of the doping/band structure.
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