https://gdpark.blog/tags/electric-potential/Recent content in Electric Potential on gdpark.blogHugoenMon, 17 Nov 2014 00:00:00 +0000https://gdpark.blog/posts/electromagnetism-03-electric-potential/Fri, 14 Nov 2014 00:00:00 +0000https://gdpark.blog/posts/electromagnetism-03-electric-potential/We dig into electric potential — why curl = 0 lets you define a scalar potential, how E = -∇V falls out of that, and a sneak peek at Poisson’s equation~https://gdpark.blog/posts/electromagnetism-04-electric-potential-part-2/Fri, 14 Nov 2014 00:00:00 +0000https://gdpark.blog/posts/electromagnetism-04-electric-potential-part-2/We drag charges into empty space one by one, tally up all the work it takes, and land on a slick double-sum formula for total potential energy!https://gdpark.blog/posts/electromagnetism-06-laplace-s-equation/Sat, 15 Nov 2014 00:00:00 +0000https://gdpark.blog/posts/electromagnetism-06-laplace-s-equation/Chapter 3 kicks off with Poisson’s and Laplace’s equations — what you get when you plug ∇V into Gauss’s law and let the charge density go to zero.https://gdpark.blog/posts/electromagnetism-07-the-method-of-images/Sun, 16 Nov 2014 00:00:00 +0000https://gdpark.blog/posts/electromagnetism-07-the-method-of-images/A breezy walkthrough of the image method — a clever trick for finding the electric potential above a grounded conducting plane by sneaking in imaginary charges.https://gdpark.blog/posts/electromagnetism-09-multipole-expansion/Mon, 17 Nov 2014 00:00:00 +0000https://gdpark.blog/posts/electromagnetism-09-multipole-expansion/Ever wondered what a bunch of charges look like from suuuper far away? Turns out you can approximate the whole mess as a monopole, dipole, quadrupole, and beyond!