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Electrical Engineering QUESTION #2138
Question 1
Which loss in a transformer is effectively minimized by laminating the magnetic core?
  • Hysteresis loss
  • Copper loss
  • Eddy current loss✔️
  • Stray load loss
Correct Answer Explanation
Laminating the core increases resistance to circulating currents, thereby reducing power loss due to eddy currents ($P_e \propto f^2 B_{max}^2 t^2$).