Geek Physics
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Geek Physics

The Electric Field due to a Half-Ring of Charge

Here’s the problem. You have this half-ring with a radius R and total charge +Q. What is the vector value of the electric field at the center of the circle? What about the electric field at any other location?

The first part isn’t too bad — I’ll start with that. However, finding the electric field at any location is super tough. For that part, I’m going to create a numerical…




The intersection of physics and pop culture geeky stuff. That means pure physics, video analysis, superhero, and science fiction things.

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Rhett Allain

Rhett Allain

Physics faculty, science blogger of all things geek. Technical Consultant for CBS MacGyver and MythBusters. WIRED blogger.

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