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Which outcome affects semiconductor transistor on-current when gate oxide thickness decreases?

A)Increased quantum tunneling probability
B)Reduced electron-phonon scattering
C)Enhanced Auger recombination rate
D)Decreased channel length modulation

💡 Explanation

Increased quantum tunneling causes higher leakage current because electrons tunnel directly through the thinner gate oxide; therefore, on-current is affected by increased tunneling, rather than reduced scattering or recombination, due to oxide thickness.

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