用节点电位法求求各支路电流(欢迎学霸的到来)
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(1/5 + 1/20 + 1/2 + 1/4) * V1 - V2/2 - V2/4 = 15/5 + 10/4 (1)
(1/2 + 1/4 + 1/20 + 1/10) * V2 - V1/2 - V1/4 = 4/10 - 10/4 (2)
解出方程:
I1 = (15 - V1) / 5
I2 = V1/20
I3 = (V1 - V2) / 2
I4 = (V2 + 10 - V1) / 4
I5 = V2/20
I6 = (4 - V2) / 10
http://wenku.baidu.com/view/1a26938d8762caaedd33d4bc.html
(1/2 + 1/4 + 1/20 + 1/10) * V2 - V1/2 - V1/4 = 4/10 - 10/4 (2)
解出方程:
I1 = (15 - V1) / 5
I2 = V1/20
I3 = (V1 - V2) / 2
I4 = (V2 + 10 - V1) / 4
I5 = V2/20
I6 = (4 - V2) / 10
http://wenku.baidu.com/view/1a26938d8762caaedd33d4bc.html
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