# Electric Field around a Charged Ring

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This Demonstration shows the electric field around a uniformly charged ring, either as a force vector on a movable test particle, as a collection of field lines, or as a 3D vector field. The radius of the ring changes, becoming a point charge in the limit as the radius approaches zero. By default, the field lines and vector field views are switched off; switching on the latter, in particular, slows down the response time.

Contributed by: Phil Ramsden (December 2012)

Open content licensed under CC BY-NC-SA

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detailSectionParagraph## Permanent Citation

"Electric Field around a Charged Ring"

http://demonstrations.wolfram.com/ElectricFieldAroundAChargedRing/

Wolfram Demonstrations Project

Published: December 10 2012