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← ScienceWhich outcome occurs when parasitic capacitance between transformer windings experiences rapid voltage change?
A)Electromagnetic interference increases significantly✓
B)Core saturation decreases energy transfer
C)Hysteresis losses drastically reduce efficiency
D)Eddy current generation heats laminations
💡 Explanation
When rapid voltage changes occur, parasitic capacitance between windings allows displacement current to flow because electric fields change quickly, consequently generating high-frequency electromagnetic interference which can affect nearby circuits. Therefore, EMI increases rather than core saturation changes, hysteresis losses, or eddy current increases, all of which involve entirely different mechanisms.
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