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Two equal charges are saperated by a distance d A third charge place on a perpendicular bisector at x distance will experience maximum coloumb force when

Two equal charges are saperated by a distance d A third charge place on a perpendicular bisector at x distance will experience maximum coloumb force when

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
148 Points
12 years ago

Dear pallavi

 

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F= k qQ/x2

   horizontal component of this force will cancel each other and verticle component will be added

net force F'=2Fcosθ

                cosθ = (x2-d2/4)1/2/x

  so F' = 2kqQ(x2-d2/4)1/2/x3

           for maximum force differential and put equal to zero

x= √3 d/4

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Regards,
Askiitians Experts
Badiuddin

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