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← ScienceWhich unwanted outcome arises as frequency increases in high-voltage power transformers?
A)Increased eddy current losses✓
B)Reduced core saturation effects
C)Decreased dielectric breakdown risk
D)Enhanced magnetic field confinement
💡 Explanation
Increased frequency elevates inductive reactance in the core, intensifying circulating currents; consequently, eddy current losses upsurge because of increased Joule heating losses in the core material. Therefore, energy waste increases, rather than field containment which lowers core efficiency.
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