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← ScienceWhich outcome occurs when parasitic capacitance arises within SMPS transformers?
A)Increased switching losses and EMI emissions✓
B)Enhanced transformer core saturation margin
C)Improved transient voltage suppression capability
D)Reduced leakage inductance characteristics noticeably
💡 Explanation
Increased switching losses and EMI occur because parasitic capacitance forms unintended resonant circuits causing unwanted current oscillations (ringing); therefore, losses rise and EMI increases, rather than enhancing saturation margin which is affected by core material selection.
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