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← ScienceWhich conduction effect occurs when thermal agitation narrows band gaps?
A)Increased intrinsic carrier concentration✓
B)Decreased electron-hole recombination
C)Reduced minority carrier diffusion
D)Enhanced piezoelectric polarization
💡 Explanation
Increased temperature reduces the energy required to excite electrons across the band gap, impacting **thermal excitation**; because more electrons jump the gap, intrinsic carrier concentration rises, therefore it conducts better rather than less, and no pressure involved.
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