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12th Class Physics Magnetism Question Bank Case Based (MCQs) - Moving Charges and Magnetism

  • question_answer
    A long straight wire carries a current along the z-axis for any two points in the x-y plane. Which of the following is always false?

    A) The magnetic fields are equal

    B) The directions of the magnetic fields are the same

    C) The magnitudes of the magnetic fields are equal

    D) The field at one point is opposite to that at the other point

    Correct Answer: A

    Solution :

    (a) The magnetic fields are equal.


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