electricityPVIR cheat sheet December 15, 2008 Power, Volts, Current, Resistance. There are a bunch of charts floating around that describe the relationships between these four variables. I didn’t like any of them, so I decided to make my own. (PDF) pvir Greased Lightbox →←+–↻ Loading image Click anywhere to cancel Image unavailable Related Posts Shrinking on battery power The Quarter Shrinker returns Who needs overhead lights?