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

  • question_answer
    Which of the following factors affect the speed of the rotation of a direct current electric motor?

    A) The type of current

    B) The direction of current

    C) The magnitude of current

    D) The frequency of current

    Correct Answer: C

    Solution :

    Magnitude of current affects the speed of rotation of a direct current electric motor.


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