Ideal sine
RMS = peak / √2 only for a pure sinusoid.
Ac
Interactive
Simplified model
AC Waveform Simulator
Explore amplitude, frequency, period and RMS for a sine wave.
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Teaching model. This simulation uses ideal elements and a deterministic solver. It does not represent real transient behaviour, heating, tolerances or fault energy. Do not use it as a design or safety calculation.
A pure sine wave; real mains waveforms can carry harmonics and distortion.
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