a 120v circuit delivers 5 A to a load that consumes 540 w of power
what is the power factor of the circuit

A. 0.20
B. 0.58
C. 0.90
D. 0.97

 

How do you think you would solve this problem?

Your answer can be found at http://www.allaboutcircuits.com/vol_2/chpt_11/index.html

 

Rearrange:

\(P = VI.Cos(\)\(\theta\)\()\)

Where the power factor is:

\(Cos(\)\(\theta\)\()\)

Dave