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BCECE Engineering BCECE Engineering Solved Paper-2013

  • question_answer
    An electron moves with a velocity v in an electric field E. If the angle between v and E is neither 0 nor \[\pi ,\]the path followed by the electron is

    A)  parabola                

    B)         circle                    

    C)         straight line                 

    D)         ellipse                                                    

    Correct Answer: A

    Solution :

    As the angle between v and E is neither zero nor it, a constant force \[(-qE)\] will act on the electron. The motion of the electron, therefore will be along a parabola.


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