Answer / Parul Gill

The core loss of a transformer, which includes both hysteresis loss and eddy current loss, is largely determined by the magnetic properties of the transformer's core material (usually iron or silicon steel) and the frequency of the AC current. nnUnder constant voltage and frequency conditions, the amplitude of the magnetic field inside the transformer remains relatively consistent, regardless of the load. This means that the hysteresis loss and eddy current loss per cycle remain approximately the same, resulting in a roughly constant core loss over a wide range of loads.

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