(b) An air conditioner operates at 240V at a frequency of 60 Hz. It absorbs an average power of 9 kW at a lagging power factor, Fp of 0.75. The power triangle for a load system is shown in Figure Q4(b). |S| 80 P Figure Q4(b) (1) Determine the complex power of the load. (4 marks) (11) Determine the capacitive element required to raise the power factor to 0.88. (111) (7 marks) Analyze the effect of power factor correction in part Q4(b)(ii) on the effective current, Irms (3 marks)