# Power Factor Formula For Single Phase

$Power\,Factor=\frac{True\,Power}{Apparent\,Power}$ $cos\phi = \frac{R}{Z}$ $Power\,Factor=\frac{119.365\,W}{169.256\,VA}$ $Power\,Factor = 0.705$ $Cos\,45.152\,degrees=0.705$

Here, it is noted that single phase power factor is less than 1.

Note: For a purely resistive circuit, the power factor is 1.

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