# Resistor

$$
\begin{align*}
i &= \sqrt{2} I \sin(wt + \psi_i)
\\ \\ \\
u = R i &= \sqrt{2} RI \sin(wt + \psi_i)
\\ \\
u &= \sqrt{2} U \sin(wt + \psi_i)
\end{align*}
$$

As you can see, here not much to say.

