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JEE Main & Advanced Physics Magnetism Question Bank Magnet and its Properties

  • question_answer
    A long magnet is cut in two parts in such a way that the ratio of their lengths is 2 : 1. The ratio of pole strengths of both the section is                                                                   [CPMT 1986]

    A)            Equal                                       

    B)            In the ratio of 2 : 1

    C)            In the ratio of 1 : 2             

    D)            In the ratio of 4 : 1

    Correct Answer: A

    Solution :

               Pole strength doesn?t depend upon the length.


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