Electric circuit plots

Some plots of basic electric circuits. Also see the related RC and RCL diagrams, or use the “circuits” tag.

Edit and compile if you like:

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% Author: Izaak Neutelings (Februari, 2020)
\documentclass[border=3pt,tikz]{standalone}
\usepackage{amsmath} % for \dfrac
\usepackage{physics,siunitx}
\usepackage{tikz,pgfplots}
\usetikzlibrary{angles,quotes} % for pic (angle labels)
\usetikzlibrary{decorations.markings}
\tikzset{>=latex} % for LaTeX arrow head
\usepackage{xcolor}
\colorlet{Rcol}{green!60!black}
\colorlet{myblue}{blue!70!black}
\colorlet{myred}{red!70!black}
\colorlet{Ecol}{orange!90!black}
\tikzstyle{Rline}=[Rcol,thick]
\tikzstyle{gline}=[Rcol,thick]
\tikzstyle{bline}=[myblue,thick]
\tikzstyle{rline}=[myred,thick]
\def\xmax{4.5}
\def\ymax{3}
\def\tick#1#2{\draw[thick] (#1) ++ (#2:0.03*\ymax) --++ (#2-180:0.06*\ymax)}
\newcommand\EMF{\mathcal{E}} %\varepsilon}
\begin{document}
% OHMIC RESISTORS
\begin{tikzpicture}
  \def\a{0.16}
  \coordinate (O) at (0,0);
  \coordinate (X) at (\xmax,0);
  \coordinate (Y) at (0,\ymax);
  
  % AXIS
  \draw[<->,thick]
    (X) node[below] {$I$} -- (O) -- (Y) node[left] {$V$};
  
  % PLOT
  \draw[Rline,samples=100,smooth,variable=\x,domain=0:0.98*\xmax]
    plot(\x,\ymax/\xmax*\x);
 
 
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