Diagram of Resonance in Electric Circuit

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\documentclass{standalone}
% Drawing
\usepackage{tikz}
\usepackage{pgfplots}
\pgfplotsset{compat=1.18}
% Define Color
\definecolor{safetyorange(blazeorange)}{rgb}{1.0, 0.4, 0.0}
\definecolor{royalblue(web)}{rgb}{0.25, 0.41, 0.88}
\begin{document}
    
    \begin{tikzpicture}
        % Grid
%       \draw[help lines] (0,0) grid (10,10);
        
        % Axis
        \draw (0,0.4) -- ++(7,0) node [right] {\small$\omega$};
        \draw (0.4,0) -- ++(0,6) node [above] {\small$I_o$};
        
        % Plot Function
        \begin{axis}[
            xtick=\empty,
            ytick=\empty,
            axis line style={draw=none},
            ]
            %
            \addplot[royalblue(web), samples=200, very thick] {10/(3+ (2*x - 1/(1000*x))^2)};
            \addplot[safetyorange(blazeorange), samples=200, very thick] {10/(8+ (2*x - 1/(1000*x))^2)};
        \end{axis}
        
        % Text Labels
        %% x-Axis
        \draw [dashed] (3.424,0.4) -- ++(0,5.2) node [pos=-0.05] {\small$\omega_o$};
        %% On Plot
        \draw (4.5,4.5) -- (3.8,3.5) node [pos=-0.2] {\scriptsize$R_1$};
        \draw (5,2.3) -- (3.8,1.85) node [pos=0.1, above right] {\scriptsize$R_2>R_1$};
    \end{tikzpicture}
    
\end{document}
 
 
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