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10th Class Science Magnetic Effects of Electric Current Question Bank Magnetic Effects of Electric Current

  • question_answer
    A commutator changes the direction of current in the coil of

    A) a DC motor.

    B) a DC motor and an AC generator.

    C) a DC generator.

    D) an AC generator.

    Correct Answer: A

    Solution :

    A D.C. motor makes use of a commutator to change the direction of current in the coil.


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