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

  • question_answer
    Which component in a D.C. motor reverses the flow of current in a coil?

    A) A battery

    B) Carbon brushes

    C) A commutator

    D) A permanent magnet

    Correct Answer: C

    Solution :

    A commutator reverses the flow of current in a coil.


You need to login to perform this action.
You will be redirected in 3 sec spinner