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← ScienceWhich risk increases when applying pulsating DC currents to transformers?
A)Core saturation hysteresis losses increase✓
B)Eddy current losses greatly decrease
C)Improved transient voltage suppression
D)Reduced dielectric breakdown likelihood
💡 Explanation
Applying pulsating DC causes unidirectional magnetic field buildup within the core via magnetic hysteresis, therefore saturation occurs because the B-H curve deviates from linearity, rather than decreased eddy currents from mitigated AC field fluctuation effects.
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