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← ScienceWhich outcome occurs when electrostatic discharge overwhelms gate oxide capacitance in MOSFET?
A)Permanent channel short circuit✓
B)Increased subthreshold leakage current
C)Reduced drain saturation voltage
D)Oscillation instability at high frequency
💡 Explanation
When ESD overwhelms gate oxide capacitance, dielectric breakdown occurs because the high voltage exceeds breakdown strength, causing a conductive path and permanent channel damage. Therefore a channel short circuit results, rather than increased leakage, reduced saturation, or instability, which involve different failure mechanisms under normal operation.
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