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Wednesday, February 3, 2016

Series and parallel circuits

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Series and parallel circuits have several key differences. Firstly series circuits have only one current path around them. There are no branches. Parallel circuits have two or more current paths. There are different routes around the circuit. See our videos on YouTube to get the idea. Series circuits must have everything turned on at once but parallel circuits can have different things working at different times, this means we can use them to make And and Or circuits as well as many others. In a series circuit the current will be the same wherever you measure it. In a parallel circuit the current will split down different branches. Adding together the current in the different branches will tell you the current leaving the cells or returning to it.

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