Root Mean Square (RMS)

First introduced in ECE140, in AC circuit analysis. $RMS=\sqrt{\frac{1}{n}{\sum }_i{x_i}^2}$

ECE140

We defined the rms value of a periodic function $v(t)$ by $V_{rms}=\sqrt{\frac{1}{T}{\int }_0^T{v}^2(t)dt}\text{a constant}$ $V_{rms}=\frac{V_m}{\sqrt{2}}$