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

  • question_answer
    An electron, moving in a uniform magnetic field of induction of intensity \[\vec{B},\] has its radius directly proportional to [DPMT 2005]

    A)            Its charge                              

    B)            Magnetic field

    C)            Speed                                     

    D)            None of these

    Correct Answer: C

    Solution :

               \[r=\frac{mv}{qB}\] Þ \[r\propto v\]


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