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← ScienceWhich consequence results when the dielectric constant of gate oxide in a MOSFET continuously degrades?
A)Increased channel hot carrier injection
B)Reduced subthreshold swing voltage
C)Elevated gate tunneling current leakage✓
D)Decreased drain saturation voltage
💡 Explanation
Elevated gate current leakage appears because electron tunneling increases through increasingly thin gate dielectric, driven by the reduced resistance; this Quantum Tunneling causes current flow rather than normal operation because the gate insulation breaks down.
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