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

  • question_answer
    An AC generator is connected to an electric appliance. In 10 revolutions of the armature, the current in the appliance changes direction:

    A) 5 times             

    B) 10 times

    C) 20 times

    D) 30 times

    E) None of these

    Correct Answer: C

    Solution :

    Not Available  


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