电路 正猴稳在电龄的分莊运 5∠60° 0.149∠-34°A 33.54∠63.4° UR=RI=15×0.149∠-3.4°=2.235∠-3.4°V U=joL/=56.5∠90°×0.149∠-34=842∠864V U =26.5∠-90°×0.149∠-34=3.95∠-93.4°V OC 则1=0.1492coot-34)A lge=2235√2cos(0t-34°)V l12=842√2cos(t+866)V l=3.95√2c0s(0t-934)V 返回「上页「下页0.149 3.4 A 33.54 63.4 5 60 o o o =  −   = = Z U I   则 i = 0.149 2cos(ωt −3.4 o ) A 15 0.149 3.4 2.235 3.4 V o o U  R = RI  =   − =  − j 56.5 90 0.149 3.4 8.42 86.4 V o o o U L = LI  =    − =  26.5 90 0.149 3.4 3.95 93.4 V C 1 j o o o U C = − I  =  −   − =  −  2.235 2cos( 3.4 ) V o uR = ω t − 8.42 2cos( 86.6 ) V o uL = ω t + 3.95 2cos( 93.4 ) V o uC = ω t − 返 回 上 页 下 页