Gauss' Law with Negative Charge
In this video, I go over an example using Gauss' Law with a negative point charge, and we find that it doesn't matter which direction you assume the electric field is pointing, you will end up with the correct answer in any case.
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This is part of my series on introductory electromagnetism, where we explore one of the fundamental forces of nature - how your phone charges and communicates with the rest of the world, why you should be afraid of the sun, and the fundamentals of electric and magnetic forces and fields, voltages,