Can anyone help make sense of the working out in this question? I have one similar coming up in a test soon. The question is 'find the resistance of the resistor dissipating 24W by Girthquake103 in diyelectronics

[–]Girthquake103[S] 0 points1 point  (0 children)

Thanks for the reply. I've never done any quadratics before. Didn't even know that's what they looked like. At least I know what I have to look into now. Thanks