发布网友 发布时间:2024-10-05 23:36
共1个回答
热心网友 时间:2024-11-26 20:32
先将电流源转换成电压源模式:
Us = 5 * 5 = 25 V
R = 5 + 10 = 15 Ω
I1 = (25 - 10) / (15+3) = 5/6 A
Uab = 20 + 3 * 5/6 = 22.5 V
Rab = 15 *3 /(15+3) = 2.5 Ω ;电压源短路,电阻并联。
I = Uab / (Rab + 2) = 22.5 / 4.5 = 5 A