The measured power, current, and voltage delivered to a load are 100W, 1A, and 120V respectively.Would the power factor be 0.83?

Question

festinger · Answer

Do you know what power factor is?

anonymous · Answer

yes

festinger · Answer

what is the relation between power, current and voltage?

anonymous · Answer

I'm not quite sure sure why you're asking these questions but all i'm trying to do is make sure i'm right

festinger · Answer

I am not quite sure you are asking but all i'm trying to do is making sure you understand the  solution.

In AC, the relation between power output is
$$power_{av}=\frac{1}{2}VIcos\phi$$or$$power_{av}=V_{rms}I_{rms}cos\phi$$

Here, you an see that cos ϕ is the power factor.

anonymous · Answer

This is how I came up with 0.83. PF=P/Papp, Papp=IV

festinger · Answer

Then your 0.833 would be correct.