如图,12V > 8V ,实际电流方向就是逆时针,不需要参考电流方向,设 b 点为参考点:
I = (12 - 8) / 10 = 0.4 A
Uab = Va = 8 + 0.4 * 5 = 10 V
Ucd = Vc - Vd = 10 - 40 = - 30 V
如图,12V > 8V ,实际电流方向就是逆时针,不需要参考电流方向,设 b 点为参考点:
I = (12 - 8) / 10 = 0.4 A
Uab = Va = 8 + 0.4 * 5 = 10 V
Ucd = Vc - Vd = 10 - 40 = - 30 V