Teaching Physics with the Physics Suite

Edward F. Redish

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Contemplating Kirchhoff

In discussing electric current flow, we specified three principles known as Kirchoff's laws that help us calculate what current flows there will be in any circuit. Furthermore, we developed a number of analogies to help us think about electric current. Pick one of Kirchoff's laws and one of the anologies. State the law clearly and describe how an analogy helps you think about it.   If none of our analogies help you think about Kirchoff's laws, or if they confuse you when thinking about the laws, explain why and give a particular example.

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Page last modified February 29, 2008: E47