Gauss's Law; Teaching Platform Using the Magic Cube: Implementation by COMSOL Multiphysics

H. Ghali, and A. Hossam
Electrical Engineering Department, British University in Egypt, Cairo, Egypt
Published in 2010

Most probably Gauss\'s law is considered as the first \"electromagnetic\" concept for early undergraduate physics and electromagnetic courses. In early study year, teaching Gauss’s law is usually performed based on two main components; 1) The use of simple symmetrical charge distributions where a correct expectation of the spatial behavior of the electric flux density is possible and 2) The use of simple \"Gaussian surface\", which is related to the use of the charge distribution, where the surface integration is evaluated using simple analytical formula. This paper presents a \"Gauss\'s law\" teaching platform based on the use of a \"magic cube\". This \"magic cube\" allows the construction of any arbitrary closed geometry simply by selecting appropriate surfaces using some of the boundaries from which the \"magic cube\" has been built.

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