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Which outcome results when exceeding the Zener breakdown voltage for short channel MOSFETs?

A)Hot carrier injection increases rapidly
B)Substrate current diminishes considerably
C)Gate oxide tunneling stabilizes currents
D)Drain-induced barrier lowering is mitigated

💡 Explanation

Hot carrier injection drastically increases because the high electric field causes impact ionization near the drain. This impact ionization generates electron-hole pairs. The electrons gain kinetic energy, inject into the gate oxide and create trap states; therefore, degradation occurs rather than other outcomes caused by related mechanisms.

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