12th Class Physics Magnetism Question Bank Case Based (MCQs) - Moving Charges and Magnetism

  • question_answer
    If \[v=2{{v}_{0}}\], then the time required for one revolution of the electron will change to:

    A) \[4{{T}_{0}}\]                         

    B) \[2{{T}_{0}}\]

    C) \[{{T}_{0}}\]                           

    D) \[{{T}_{0}}/2\]

    Correct Answer: C

    Solution :

    (c) \[{{T}_{0}}\] As, \[T=\frac{2\pi m}{qB}\] Thus, it remains same as it is independent of velocity,


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