如题所述
I = 6 / 6 = 1 A
Uab = - 3 + 1 * 3 + 3 = 3 V
Rab = 3 // 3 + 2 = 3.5 Ω
http://wenku.baidu.com/view/1a26938d8762caaedd33d4bc.html