It's like those miserable cheat sheets for electronics that contain:
V=IR
R=V/I
I=V/R
First off, if you don't know Ohm's Law you have no business doing anything with electronics - you're going to use the formulas wrongly. Secondly, if you can't trivially derive the various forms in your head, you have no business using them.
It's like those miserable cheat sheets for electronics that contain:
First off, if you don't know Ohm's Law you have no business doing anything with electronics - you're going to use the formulas wrongly. Secondly, if you can't trivially derive the various forms in your head, you have no business using them.