12th Class Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Assertion And Reason (MCQs) - Moving Charges and Magnetism

  • question_answer
    ASSERTION: Magnetic field is not associated with a stationary charge.
    REASON: A magnetic field is detected by means of its effect on a current carrying conductor.

    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: B

    Solution :

    A moving charge always produce a magnetic field whether it is accelerated or not accelerated. But once the charge becomes stationary, it does not produce any magnetic field.


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