AMU Medical AMU Solved Paper-2009

  • question_answer
    An electron enters into a region of uniform magnetic field of strength \[10\text{ }Wb{{m}^{-2}}\] with a speed of \[3\times {{10}^{7}}m{{s}^{-1}}.\] Which of the following is not possible?

    A)  The electron may or may not experience an acceleration

    B)  The electron may experience an acceleration but can continue to move with same speed

    C)  The   electron may experience an acceleration and continue to move with same velocity

    D)  The kinetic energy of the electron remains  unchanged

    Correct Answer: C

    Solution :

                     The electron cannot move with the same velocity if it experiences an acceleration.


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