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The transformer core is laminated in order to 

The transformer core is laminated in order to  Correct Answer Minimize eddy current loss 

The correct answer is to Minimize eddy current loss.

  • Transformer cores are laminated in order to minimize core loss.
  • By providing laminations, the area of each part gets reduced and hence resistance will get very high which limits the eddy current to a minimum value, and hence eddy current losses get reduced. 
  • The laminations provide small gaps between the plates. As it is easier for magnetic flux to flow through iron than air or coil, the stray flux or leakage flux that can cause core losses is minimized.

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