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← ScienceWhich risk increases when designing capacitive energy-transfer wireless power?
A)Reduced energy transfer efficiency
B)Lower operational resonant frequency
C)Increased electromagnetic interference✓
D)Overestimated mutual inductance value
💡 Explanation
Increased electromagnetic interference results when wireless power transfer via capacitive coupling reaches its limit; stray electric fields increase because the **displacement current** through parasitic capacitance rises sharply, therefore creating unwanted EMI, rather than inductance limits affecting transfer efficiency.
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