Which mechanism causes increased eddy current losses when amorphous transformer core material corrodes?

💡 Explanation

When amorphous transformer core material corrodes, conductivity pathways proliferate because the corrosion products form electrically conductive films along grain boundaries, increasing eddy currents. Therefore increased eddy current losses results, rather than changes to domain wall pinning, hysteresis, or saturation which rely on the material's intrinsic magnetic properties.

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