JEE Main & Advanced Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Motion of Charged Particle In Magnetic Field

  • question_answer
    A particle moving in a magnetic field increases its velocity, then its radius of the circle                     [BHU 1998]

    A)            Decreases                             

    B)            Increases

    C)            Remains the same             

    D)            Becomes half

    Correct Answer: B

    Solution :

               For motion of a charged particle in a magnetic field, we have r = mv/qB i.e. \[r\ \alpha \ v\]


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