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Gauss's theorem / Sphere HTML5


Gauss's theorem applied to a uniformly charged sphere, illustrating the calculation of Qint. Using a closed Gauss surface allows a simple calculation if it relies judiciously on the symmetries of the field. In our case, the closed surface is a sphere with no material reality.

Click to change the radius of the Gaussian surface.

Learning goals

  • To illustrate the choice of the closed surface for the application of Gauss's Theorem to a uniformly charged sphere.