This physics video tutorial explains how to derive the formula needed to calculate the electric field of a charge disk by establishing an inner and outer radius. You will need to understand a few concepts in calculus specifically integration by u-substitution. This video also shows you how to find the equation to calculate the electric field produced by an infinite sheet of charge using the charge per unit area factor and how to get the electric field between two parallel plates or infinite sheets or plane of charge. This video contains plenty of examples and practice problems.

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