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NEET Sample Paper NEET Sample Test Paper-61

  • question_answer
    A magnet of magnetic moment M is situated with its axis along the direction of a magnetic field of strength B. The work done in rotating it by an angle of \[180{}^\circ \] will be:

    A)  ? MB                          

    B) + MB  

    C) Zero                             

    D) + 2MB

    Correct Answer: D

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