\draw (0,0) to [short,-,i=$i(t)$] (0.5,0) 
            to [R,l=$R_{}$,-] (2.5,0) 
            to [american inductor,l=$L_{}$,-] (4.5,0)
            to [C,l=$C_{}$,-*] (4.5,-2)
            to [short,-] (0,-2);

\draw (-1,0) to [short,-o] (-0.1,0) to [short,-] (0,0);
\draw (-1,-2) to [short,-o] (-0.1,-2) to [short,-] (0,-2);
\draw (-1,0) to [V]  (-1,-2);
\node[ground] () at (4.5,-2) {};

\draw (4.5,0) to [short,*-o] (5.5,0);
\draw (4.5,-2) to [short,-o] (5.5,-2);

\path [voltarrow] (5.5,0) edge[] node [midway,right,inner sep=1pt] 
  {$v_{\mathrm{O}}(t)$} (5.5,-2);
\path [voltarrow] (-0.1,0) edge[] node [midway,right,inner sep=1pt]
  {$v_{\mathrm{I}}(t)$} (-0.1,-2);