12th Class Physics Magnetism Question Bank Assertion And Reason (MCQs) - Magnetism and Matter

  • question_answer
    ASSERTION: Magnetism is relativistic.
    REASON: When we move along with charge so that there is no motion relative to us, we find no magnetic field associated with the charge.

    A) If both assertion and reason are true and reason is the correct explanation of assertion.

    B) If both assertion and reason are true and reason is not the correct explanation of assertion.

    C) If assertion is true but reason is false.

    D) If both assertion and reason are false.

    E) If assertion is false but reason is true.

    Correct Answer: C

    Solution :

    A magnetic field is produced by me motion of electric charge. Since motion is relative, the magnetic field is also relative. By relative motion, it not meant with respect to the observer. The interpretation does not appear to be correct.


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