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NEET Sample Paper NEET Sample Test Paper-76

  • question_answer
    Earth's magnetic field always has a horizontal component except at

    A) magnetic pole   

    B) equator                

    C) \[\operatorname{at} altitude of 60{}^\circ \]       

    D) \[\operatorname{at} altitude of 45{}^\circ \]

    Correct Answer: A

    Solution :

    At magnetic pole, total intensity of earth?s magnetic field is along the vertical. \[\therefore \] It has no horizontal component. Hence, the work done will be zero.


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