PE Power Sample Problem 3

Power is supplied to a load with an impedance of 10 + j0 ohms using a single-phase, 120V (RMS) AC power source. This load is also in series with a 120V battery. What is the maximum voltage at the resistor?
(A) 120V
(B) 208V
(C) 290V
(D) 240V

Wasim Asghar – P.E, P.ENG, M.ENG

Licensed Professional Engineer in Texas (PE), Florida (PE) and Ontario (P. Eng) with consulting experience in design, commissioning and plant engineering for clients in Energy, Mining and Infrastructure.