Electric field plots

Electric field strength of a charged rod, plane, solid sphere, hollow sphere or conducting sphere, as a function of radius r or distance x.

electric_field_plots-001.pngelectric_field_plots-002.pngelectric_field_plots-003.pngelectric_field_plots-004.pngelectric_field_plots-005.pngelectric_field_plots-006.pngelectric_field_plots-007.png

Edit and compile if you like:

% Author: Izaak Neutelings (Februari, 2020)
% page 8 https://archive.org/details/StaticAndDynamicElectricity
% https://tex.stackexchange.com/questions/56353/extract-x-y-coordinate-of-an-arbitrary-point-on-curve-in-tikz
% https://tex.stackexchange.com/questions/412899/tikz-calculate-and-store-the-euclidian-distance-between-two-coordinates
\documentclass[border=3pt,tikz]{standalone}
\usepackage{amsmath} % for \dfrac
\usepackage{physics}
\usepackage{tikz,pgfplots}
\usetikzlibrary{angles,quotes} % for pic (angle labels)
\usetikzlibrary{decorations.markings}
\tikzset{>=latex} % for LaTeX arrow head
\usepackage{xcolor}
\colorlet{Ecol}{orange!90!black}
\colorlet{veccol}{green!45!black}
\tikzstyle{EField}=[thick,Ecol]
\def\xmax{5.0}
\def\ymax{3.3}
\def\tick#1#2{\draw[thick] (#1) ++ (#2:0.03*\ymax) --++ (#2-180:0.06*\ymax)}
\begin{document}
% ELECTRIC FIELD of a ROD
\begin{tikzpicture}
\def\kQ{2.0}
\coordinate (O) at (0,0);
\coordinate (X) at (\xmax,0);
\coordinate (Y) at (0,\ymax);
% AXIS
\draw[<->,thick]
(X) node[below] {$y$} -- (O) -- (Y) node[left] {$E$};
% PLOT
\draw[EField,samples=100,smooth,variable=\x,domain={1.1*\kQ/\ymax}:0.96*\xmax]
plot(\x,\kQ/\x);
\node[above right] at (1.3,1.6) {$E \sim \dfrac{1}{y}$};
 
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Click to download: electric_field_plots.texelectric_field_plots.pdf
Open in Overleaf: electric_field_plots.tex

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