12th Class Physics Electro Magnetic Induction Question Bank Case Based (MCQs) - Electromagnetic Induction

  • question_answer
    Which of the following is the best method to reduce eddy currents?

    A) Laminating core

    B) Using thick wires

    C) By reducing hysteresis loss

    D) None of these

    Correct Answer: A

    Solution :

    (a) Laminating core To reduce the eddy currents in the metal armature of motors, wire is wrapped around a number of thin metal sheets called lamination.


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