RAJASTHAN PMT Rajasthan - PMT Solved Paper-2004

  • question_answer
    Four equal charges q are placed at centre of a conducting hollow sphere. If they are displaced 1.5 cm from centre, the change in flux will be:            

    A)              doubled   

    B)                                    tripled

    C)              same       

    D)                                     none of these

    Correct Answer: C

    Solution :

    The total electric flux passing normally through a closed surface of any shape in ail electric field is equal to \[\frac{1}{{{\varepsilon }_{0}}}\] times the total charge present within that surface\[\phi =\frac{Q}{{{\varepsilon }_{0}}}\] since, charges are displaced \[\pm \]1.5 cm from centre of sphere so, there will be no change in flux passing through the sphere.


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