2. Sample Papers
  3. 10th Class
  4. Science

10th Class Science Sample Paper Science Olympiad Model Test Paper-11

  • question_answer
    In an electric motor, the direction of current in the coil changes once in each:

    A) Two rotations

    B) one rotation

    C) Half rotation

    D) one-fourth rotation

    E) None of these

    Correct Answer: C

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