american amsmath amssymb begin blue circuitikz color document draw equal graphicx latexsym mathrsfs mathscr newcomm phi_T stalone
\documentclass{standalone}
\usepackage[american]{circuitikz}
\usepackage{graphicx}
\usepackage{mathrsfs}
\usepackage{latexsym,amssymb,amsmath}
\newcommand{\equal}{=}
\begin{document}
\begin{circuitikz}
\draw (6,0) to [V,i^>=$\phi_T$, l^= $\mathscr{F}$,v_>=$NI$, color=blue] (0,0)
(0,0) -- (0,4)
(0,4) -- (1,4)
(1,4) -- (1,2)
(1,4) -- (1,6)
(1,6) to [R,i>=$\phi_1$, l^= $\mathscr{R}_{2}$,v_>=$\mathscr{F}_2$, color=purple] (3,6)
(3,6) to [R, l^= $\mathscr{R}_{3}$,v_>=$\mathscr{F}_3$, color=purple] (5,6)
(5,6) -- (5,4)
(1,2) to [R,i>=$\phi_1$, l^= $\mathscr{R}_{1}$,v_>=$\mathscr{F}_1$, color=red] (4,2)
(4,2) -- (5,2)
(5,2) -- (5,4)
(5,4) -- (6,4)
(6,4) -- (6,0)
;\end{circuitikz}
\label{fig:q1fig}
\end{document}