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← ScienceWhich outcome occurs when an alternating current frequency exceeds the design limit within an inductor's stray capacitance?
A)Increased core saturation and hysteresis
B)Parallel resonance and impedance spike✓
C)Decreased eddy current losses in winding
D)Suppressed harmonic distortion in waveform
💡 Explanation
When AC frequency exceeds the design limit, parasitic capacitance within the inductor resonates with its inductance because the inductive and capacitive reactances cancel each other creating a low impedance path, leading to a sharp impedance increase. Therefore parallel resonance results, rather than saturation, decreased losses, or distortion suppression, which require different circuit conditions.
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