% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2024
\begin{circuitikz}
    \draw(0,0) 
        to [short, o-*] ++(0,-0.5) coordinate(node1)
        to [R, l={$R_2$}] ++(0,-2) coordinate(node2)
        to [short, *-o] ++(0,-0.5);
    \draw(node1) 
        to [short] ++(2,0) coordinate(h)
        to [R, l={$R_3$}] (h|-node2)
        to [short] (node2);
    \draw(node1) 
        to [short] ++(-2,0) coordinate(h)
        to [R, l={$R_1$}] (h|-node2)
        to [short] (node2);
\end{circuitikz}