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Question

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



How to find the maximum how df/DX=0

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Solution

To find the maximum force. We differentiate it with respect to the variable and keep the dF/dx=0(you might have learned this in maxima and minima) , to find the value of variable. From there we get the value of the variable and when you put that variable into the main equation, you will get the maximum coloumb force.

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