\documentclass[convert={outfile=\jobname.svg}]{standalone}
\input{./tikzpreamble}

\begin{document}
\begin{circuitikz}[scale=2]

    \draw[color=black, thick]
    (0,0) 
      to [R, l={R0}, short, o-] (0,1)
      to [R, l={R1}, short, o-] (0,2)
    ;

\end{circuitikz}
\end{document}