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Eddy current loss in transformer cores is minimized by:

AIncreasing supply current
BUsing thin laminated sheets insulated with varnish
CUsing solid cast iron cores
DIncreasing core thickness

Explanation

Laminating the iron core breaks continuous eddy current loops, increasing resistance to eddy currents and drastically reducing I^2 * R heating losses.

Submitted by: mcqstutor Team More Electrical Engineering MCQs →

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