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Resistors in Series
The current in a circuit can be calculated by using Ohm's law: voltage equals resistance times current. In symbols, . In this simple circuit, the two resistors are in series, so the effective resistance . The current is then . No current flows when the circuit is open.



"Resistors in Series" from The Wolfram Demonstrations Project
 http://demonstrations.wolfram.com/ResistorsInSeries/
Contributed by: Rob Morris
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