Manipal Engineering Manipal Engineering Solved Paper-2009

  • question_answer
    The magnetic dipole moment of a current loop is independent of

    A)  magnetic field in which it is lying

    B)  number of turns

    C)  area of the loop

    D)  current in the loop

    Correct Answer: A

    Solution :

    Magnetic dipole moment of a current is given by                 \[M=NIA\] where \[N=\] number of turns \[I=\]current in a loop \[A=\]area of the loop From the above relation it is clear that magnetic dipole moment of a current loop is independent of the magnetic field in which it is lying.


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