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← ScienceWhich outcome increases leakage current through a depletion-mode MOSFET when thermal energy increases?
A)Increased valence band electron excitation✓
B)Reduced oxide layer breakdown voltage
C)Increased channel length modulation effect
D)Reduced gate capacitance charge accumulation
💡 Explanation
Increased thermal energy excites electrons from the valence band to the conduction band via Thermal Generation; because this mechanism creates more free carriers in the depletion region, therefore leakage current increases, rather than changes in gate control or oxide effects.
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