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Consider a uniformly charged ring in the xy plane, centered at the origin. The ring has radius a and positive charge q distributed evenly along its circumference (Figure 1).

What is the direction of the electric field at any point on the z axis?

What is the magnitude of the electric field along the positive z axis? 

 

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Supratim Pal
Supratim PalLv10
18 Oct 2020

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