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12th Class Physics Magnetism Question Bank MCQ - Moving Charges and Magnetism

  • question_answer
    A current carrying wire is held over a magnetic needle, such that electric current is passed through it from south to north direction. Then the north pole of the needle will be deflected towards:

    A) east                  

    B) west    

    C) north                            

    D) south

    Correct Answer: B

    Solution :

    (b) west. Using the right-hand thumb rule, it can be concluded that the magnetic field due to current carrying conductor is in west direction. Hence, north pole of the needle will be deflected towards west.


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