The symmetrical three-phase load is A-connected, with Z-(4+ j3) 22 and the phase voltage 220 V, find IL, IP, UL and P of the three loads. 7.(10 score) The symmetrical three-phase load is Y-connected. = 5/30 (A) Find U, Z, and P. Ao B C 1* Z Z 22 Re In Common Emitter Basic AC Amplifier Circuit, Ucc = 12V, Rc = 4 kQ, R = 4kQ2, RB = 200 kQ2, The 1K2, B=100 find: (1) Q point of Amplifier Circuit (2) the voltage amplification Au. H o+Uce C 71 +31 * ORL UAB = 380/90 (V)