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← ScienceWhich outcome occurs when semiconductor thickness limits tunneling?
A)Increased electron repulsion suppresses current✓
B)Higher resistance necessitates increased voltage
C)Band gap widening decreases electron mobility
D)Increased energy overcomes potential barrier
💡 Explanation
Increased electron repulsion suppresses current because reduced material dimension intensifies the quantum confinement effect raising confined energy-levels via the Pauli exclusion principle; therefore current decreases rather than alternative band gap changes or tunneling enhancements.
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