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JEE Main & Advanced JEE Main Paper (Held On 9 April 2017)

  • question_answer
    A uniform magnetic field B of 0.3 T is along the positive Z-direction. A rectangular loop \[(abcd)\] of sides \[10\,cm\,\times 5\,cm\] carries a current \[I\] of 12 A. Out of the following different orientations which one corresponds to stable equilibrium? [JEE Online 09-04-2017]

    A)                

    B)  

    C)                

    D)  

    Correct Answer: C

    Solution :

     \[M=NIA\] \[\vec{M}\] and \[\vec{B}\]are on same direction


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