Coulombs Law Question

  • Thread starter NotMrX
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  • #1
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Hello,

I was wondering if we had a square with side length a and charges q. What would be the electric field at a corner? I can work this out by breaking stuff into components but I wondered if there was an easier way using very basic linear algebra. What about a cube? In other words are there any tricks to make it easier rather than just break it into components, add them, and find the resultant?
 

Answers and Replies

  • #2
berkeman
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It's not clear from your problem statement where the charge is with respect to the square, but my guess is that there is not a simple trick available. Adding components is something you will do a lot.
 

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