For the time being, you can find examples in doc_pst-circ050203.pdf or doc_pst-circ050203.ps in the download section.
A few additionnal examples are below (very basic!).
\begin{pspicture}(5,4)
\pnode(0,0){A}\pnode(5,0){B}
\pnode(0,4){C}\pnode(5,4){D}
\capacitor[tensionlabel=$v(t)$,tensionlabeloffset=1.5,directconvention=false](A)(C){$C$}
\resistor(C)(D){$R$}
\capacitor[intensitylabel=$i(t)$](D)(B){$C'$}
\wire(A)(B)
\end{pspicture}
\begin{pspicture}(5,4)
\pnode(0,0){A}\pnode(3,0){B}
\pnode(0,4){C}\pnode(3,4){D}
\Ucc(A)(C){$E$}
\resistor[labeloffset=0](C)(D){$R$}
\capacitor(D)(B){$C$}
\wire(A)(B)
\lamp[tensionlabel=$u(t)$,tensionlabeloffset=1.5,parallel](D)(B){$N$}
\end{pspicture}
\begin{pspicture}(7,4.5)
\pnode(0,0){A}\pnode(5,0){B}
\pnode(0,4){C}\pnode(5,4){D}
\Ucc[labeloffset=1.1](A)(C){$e(t)$}
\multidipole(C)(D)\coil{$L$}\resistor[intensitylabel=$i(t)$]{$R$}.
\resistor(D)(B){$R$}
\wire(A)(B)
\capacitor[parallel](D)(B){$C$}
\end{pspicture}
contact: Christophe Jorssen (pstcirc@free.fr)