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← ScienceWhich risk increases dramatically in unshielded power electronics when parasitic capacitance rises?
A)Reduced gate switching speed
B)Electromagnetic interference exceeds limits✓
C)Increased on-state resistance loss
D)Thermal runaway accelerates exponentially
💡 Explanation
Increased parasitic capacitance provides unintended paths for high-frequency currents, initiating electromagnetic interference because displacement current injection is augmented into nearby circuits. Therefore, EMI radiation rises beyond acceptable limits rather than only influencing thermal runaway or switch timings.
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