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===Meaning===
A '''circuit''' is a loop of [[wire]] that [[electricity]] flows around.
[[File:SeriesCircuit1Cell1Bulb.png|right|300px|thumb|A circuit with one cell and one bulb.]]
===About Circuits===
: A '''circuit''' needs to be complete otherwise electricity will not flow through it. Any break in the '''circuit''' will stop the electricity from flowing.
: A '''circuit''' starts and ends at the source.