Solution
= Solution
When $\omega RC$ is of order one, the output consists of visibly curved exponential charging and discharging arcs, with neither long flat plateaus nor nearly straight sides. At $\omega RC=1$,
$$
\boxed{M=V_0\tanh(\pi/2)\simeq0.9172V_0.}
$$
The output is continuous and lags the abrupt input transitions; its precise shape is the periodic solution given in the parent part.