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Tuesday, November 11, 2014

Capacitors in Series and Parallel

Similar to resistors, we can connect multiple capacitors in series and parallel. Also, we must commonly find the total capacitance, measured in Farads, for series and parallel. But what are these rules, and where do they come from?

It turns out, Kirchhoff's rules, just like we do for resistors in series and parallel.

In series, the voltage of the battery = sum of voltages of components.
In parallel, the total charge being stored by the circuit = sum of charges stored on branches.

Check out this video to see we end up with the two same rules for capacitors, only they are flip-flopped compared to resistors: in parallel we just add capacitors, and in series we have the reciprocal rule.

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