2180×90000504 180+19000 jOLI n2(R2+R1) 180+ 9000904 2=m/1=3×0050°=0150°A =005√2sinl00tA 2=0.152sin100A 闪四 西南交通大学西南交通大学 i 1 = 0.05 2 sin100t A i 2 = 0.15 2 sin100t A 0.05 0 A 180 9000 180 9000 20 10 1 = ° + ´ + = & & j j I 0.05 0 A 180 9000 9000 1 1 1 = = ° + ¢ = I I j j I & & & & I & 2 = nI & 1 ¢ = 3´0.05 0° = 0.15 0° A n 2 (R2+RL ) R1 jωL1 + - Us & 1 I & 1 I¢ &