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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

  • question_answer
    Current\[I\]is flowing in a conducting circular loop of radius R. It is kept in a magnetic field B which is perpendicular to the plane of circular loop. Find the magnetic force acting on the loop:

    A)  \[IRB\]                                

    B)         \[2\pi IRB\]

    C)  zero                     

    D)         \[\pi IRB\]

    Correct Answer: A

    Solution :

    When a loop (of any size) is placed in a magnetic field, then the force acting on the loop is \[iRB.\]


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