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pallavi pradeep bhardwaj Grade: 12
        

Two simiilar spheres having q and -q charge are kept at a certain distance F force acts between the two If in the middle of two spheres another similar sphere having q charge is kept then expirience a force in magnitude and direction as

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear pallavi


 let the initial distance is d


 F= k qq/d2


 if a third sphere is placed between then  sphere having charge q repel it and spehere having charge -q attract it.


 force by q charged sphere =F1=k qq/(d/2)2


                                                             =4k qq/d2 =4F ( from +q to -q)


 


force by -q charged sphere =F2 =k qq/(d/2)2


                                                            =4k qq/d2 =4F (from +q to -q)


so net force  = 4F + 4F =8F


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Badiuddin

7 years ago
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