kikiloverxoxo220 kikiloverxoxo220 30-11-2022 Engineering contestada a building has a three-phase 480 volt service rated for 800 amps. the working power for this electrical system is 500 kw. what is the power factor for this system? select one: a. 75.2% b. 100% c. 33.3% d. 80.4% e. none of these