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← ScienceWhich outcome occurs when electrons pile up in a semiconductor?
A)Increased dielectric material breakdown risk✓
B)Thermal expansion rate becomes stable
C)Decreased electrical resistance consistently occurs
D)Intrinsic carrier concentration decreases rapidly
💡 Explanation
Dielectric breakdown risk increases because intense electric fields from electron accumulation initiate dielectric polarization, leading to failure, rather than increased conductivity. The MOSFET's gate oxide experiences catastrophic failure in the form of dielectric breakdown; therefore, this accumulation can lead to device failure rather than expansion or consistent resistance improvements.
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