Practical Electronics/Simplest Circuits

R.L,C Components

Below is the summary of the three components R , L , and C

Components	Symbol	Voltage V	Current I	Reactance X	Impedance Z
Resistor	R	$V=IR$	$I={\frac {V}{R}}$	0	Z = R
Capacitor	C	$V={\frac {1}{C}}\int Idt$	$I=C{\frac {dV}{dt}}$	$X={\frac {1}{\omega C}}/_{-}90={\frac {1}{j\omega C}}={\frac {1}{sC}}$	$Z=R+X=R+{\frac {1}{j\omega C}}$
Inductor	L	$V=L{\frac {dI}{dt}}$	$I={\frac {1}{L}}\int Vdt$	$X=\omega L/_{-}90=j\omega L=sL$	$Z=R+X=R+j\omega L$

With three components R, L, C, connected in series we have the following circuits

With three components R, L, C, connected in parallel we have the following circuits

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