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BVP Medical BVP Medical Solved Paper-2011

  • question_answer
    An electron moving in a variable magnetic field B, having a variable linear velocity v, will remain rotating in a circle of constant radius r only, when

    A) B is held constant

    B) v is held constant

    C) v and B both are held constants

    D) angular velocity is constant

    Correct Answer: C

    Solution :

                    The electron moving with linear velocity will remain rotating in a circle of constant radius r in a magnetic field, only when v and B both are held constant.


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