Eddy current loss in a transformer core is directly proportional to:
AInverse of thickness (1/t)
BSquare of frequency (f^2) and square of core thickness (t^2)
CFrequency (f) only
DSquare root of frequency
Explanation
Eddy current loss in a magnetic core is given by Pe = Ke * f^2 * B_max^2 * t^2 * V. Therefore, eddy current loss is directly proportional to both the square of the supply frequency (f^2) and the square of core lamination thickness (t^2).
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