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This is a repository for bite-sized calculations and demonstrations of various techniques (that are usually part of larger modules presented by Cosine Academy). Where practically possible problems are solved with novel method's not usually found in a text book.

Physics

 [Electromagnetism, Level 200 University]

A direct calculation of Ampere's line integral outside of a current carrying wire.

 [Electromagnetism, Level 300 University]

Calculations of surface charge densities on grounded and ungrounded sphere's with Legendre polynomials.

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