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Which outcome disables a MOSFET when gate voltage decreases?

A)Channel depletion and reduced conductivity
B)Increased electron impact ionization rate
C)Gate oxide breakdown accelerating rapidly
D)Substrate dopant atoms release electrons

💡 Explanation

Channel depletion causes reduced conductivity as fewer electrons are available for current flow because the gate voltage is reduced to below the threshold voltage; therefore the MOSFET is disabled, rather than increased ionization or gate oxide breakdown.

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