阅题分衍 I1=44/-53°A R1囗R2 I2=22/37°A iX JAc I=49.2/-26.5°A I1↓I2 1=442sin(314t-53°)A 2=2y2sin(314t+37)A i=492√2si(314t-26.5°)A例题分析 R1 R2 jXL -jXC • U • I I1 • I2 • I 22/ 37 A o 2 = • I 49.2/ 26.5 A o = − • I 44/ 53 A o 1 = − •  i 44 2 sin( 314t 53 )A o 1 = − i 22 2 sin( 314t 37 )A o 2 = + i 49.2 2 sin( 314t 26.5 )A o = −