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Which outcome occurs when elevated temperature broadens the conduction band?

A)Intrinsic carrier concentration increases
B)Dielectric breakdown voltage decreases
C)Fermi energy level stabilizes
D)Electron mobility improves significantly

💡 Explanation

Increased temperature excites more electrons across the band gap, populating the conduction band. Therefore, intrinsic carrier concentration increases because thermal excitation promotes electrons into the conduction band, rather than decreased dielectric strength, which temperature indirectly affects via other mechanisms.

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