Can someone please explain the difference between these three equations? I'm having trouble understanding their meanings and have no idea when I should use each one. Thanks.(adsbygoogle = window.adsbygoogle || []).push({});

[tex]P= I \Delta V[/tex]

[tex]P= I^{2}R = \frac{\Delta V^{2}} {R}[/tex]

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Electrical Energy and Power

**Physics Forums | Science Articles, Homework Help, Discussion**