% ---------------------------------------------------------------------
% Reatância indutiva X_L = wL e capacitiva X_C = 1/(wC) versus frequência.
% Requer pgfplots + biblioteca groupplots (usetikzlibrary/usepgfplotslibrary
% no chunk que faz o \input).
% ---------------------------------------------------------------------
\begin{tikzpicture}
\begin{groupplot}[
  group style={group size=2 by 1, horizontal sep=3cm},
  width=10cm, height=9cm,
  label style={font=\Large},
  tick label style={font=\Large},
  title style={font=\Large},
  ymin=0,
]
\nextgroupplot[
  xlabel={$\omega$ (rad/s)}, ylabel={$X_L$ ($\Omega$)},
  title={$X_L = \omega L$ ($L=0{,}1$ H)},
  domain=1:1000, samples=100,
]
\addplot[blue!70!black, line width=2.6pt] {0.1*x};

\nextgroupplot[
  xlabel={$\omega$ (rad/s)}, ylabel={$X_C$ ($\Omega$)},
  title={$X_C = 1/(\omega C)$ ($C=1$ mF)},
  domain=1:1000, samples=100,
  ymax=200,
]
\addplot[red!70!black, line width=2.6pt] {1/(0.001*x)};
\end{groupplot}
\end{tikzpicture}