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Physics LibreTexts

2.2E: Potential on the Axis of a Charged Ring

( \newcommand{\kernel}{\mathrm{null}\,}\)

The field on the axis of a charged ring is given in section 1.6.4. The reader is invited to show that the potential on the axis of the ring is

V=Q4πϵ0(a2+x2)1/2.

You can do this either by integrating the expression for the field or just by thinking about it for a few seconds and realizing that potential is a scalar quantity.


This page titled 2.2E: Potential on the Axis of a Charged Ring is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Jeremy Tatum via source content that was edited to the style and standards of the LibreTexts platform.

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