% Author: Dr. Matthias Jung, DL9MJ
% Year: 2020
\begin{circuitikz}
    \draw(0,0)
        to [short,o-] ++(3,0) coordinate(foo)
        to [short,-o] ++(3,0);
    \draw(0,4) to [C,o-*] ++(3,0) coordinate(bar)
               to [C, -o] ++(3,0);
    \draw(foo) node[circ]{} to [american inductor, name=l1] (bar);
    \draw[densely dashed] (l1.core west) -- (l1.core east);
\end{circuitikz}