如何摆脱源的极性标志？

Question

我的代码

\documentclass[11pt,twoside]{report}
\usepackage[american]{circuitikz}

\begin{document}
\begin{circuitikz}
\draw
(0,0)
    to[sV, v<=$V$] ++(0,2.5)
    to[R, l=$R$,i=$i$,-o] ++(3.5,0)
    to[open, v^=$~~U$] ++(0,-2.5)
    to[short,-o] ++(0,0)
    --(0,0)
;
\end{circuitikz}

\end{document}

给我

我要

如何去除电压源的极性符号？

Answer 1

\documentclass{standalone}

\usepackage[
american,
]{circuitikz}


\begin{document}

\begin{circuitikz}[]
\draw
(0,0)
    to[sV, voltage/american plus/.initial={}, voltage/american minus/.initial={}, v<=$V$] ++(0,2.5)
    to[R, l=$R$,i=$i$,-o] ++(3.5,0)
    to[open, v^=$~~U$] ++(0,-2.5)
    to[short,-o] ++(0,0)
    --(0,0)
;
\end{circuitikz}

\end{document}

如何摆脱源的极性标志？

How do I get rid of polarity signs of source?

latex

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