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Which risk increases significantly when rapidly switching a MOSFET gate capacitance?

A)Increased electromagnetic interference radiation
B)Reduced gate threshold voltage stability
C)Elevated transistor junction temperature
D)Significant channel length modulation effects

💡 Explanation

Rapidly switching a MOSFET gate capacitance causes displacement current pulses and associated electromagnetic field generation via electromagnetic induction, therefore substantially increasing generated EMI, rather than immediate thermal effects or threshold variations under such short time scales.

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