\begin{texdraw}
\drawdim cm

\move(-0.5 0)
\avec(2 0)
\rmove(0 -0.2)
\textref h:C v:T \htext{$i(t)$}

\move(0 -0.5)
\avec(0 2.6)
\rmove(-0.2 0)
\textref h:R v:C \htext{$v(t)$}

\move(0 0)
\lvec(1.72 1)

\move(0 0)
\larc r:1 sd:0 ed:30

\move(1.5 0.3)
\htext{$\alpha$}

\end{texdraw}