A worksheet to accompany this video is available at [...]http://physics.bu.edu/~duffy/EssentialPhysics/combination.pdf
This video is a tutorial in one basic method of analyzing a series-parallel combination circuit (a circuit with one battery, connected to a set of resistors which have both series and parallel combinations). We'll do one example of the method, which involves contracting the circuit down to a single equivalent resistor, and then expanding it back out to the original circuit. At each step of the expansion, we can determine the current through, and the potential difference across, each of the resistors.
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