Go to Parallel R-C circuit impedance calculator

Parallel R-C circuit is given in figure bellow

In the stationary regime, we can use complex impedance for capacitor

and **R** for resistor.

Parallel **R-C** impedance is

So final expression for parallel R-C circuit impedance

It is obvious that with signal frequency increase, impedance of parallel R-C circuit decreases, since impedance of the capacitor decreases with frequency, and capacitor is in parallel with the resistor.

Go to Parallel R-C circuit impedance calculator

**External links:**

Parallel R-C circuit impedance on play-hookey

Parallel R-C circuit impedance on keisan.casio.com

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