(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Show that the maximum magnitude E_{max}of the electric field along the axis of a uniformly charged ring occurs at x=a/(sqrt2) and has the value Q/(6(sqrt3)πε_{0}a^{2})

2. Relevant equations

E=k_{e}Δq/r^{2}

3. The attempt at a solution

I made the vertical components cancel along the axis from the top and bottom of the ring so that I just have the x-axis field, but I really don't know what else to do. I'm not even sure if that equation is the right one to use. This question seems to be made deliberately confusing.

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# Homework Help: The electric field of a ring

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