范世贵-电路基础2版-答案(第3章).docx

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1、窗体顶端 第三章   线性电路分析的基本方法窗体底端3-1        图题3-1所示电路求电流。　                        (a)                                   (b)                               图题3-1                 答案       解：(a) 以选作网孔电流回路电流,可列网孔电流方程：                                                                                

2、         (b)  以选作网孔电流回路电流,有：                                                                           3-2   列出图题3-2所示电路的节点方程。                                                 图题3-2 答案    解: 电路的节点方程为：                                                     (b)         　   3-3   求图题3-3所示电路的

3、u。　                               图题3-3答案        解：(a)　                    (b)　3-4     图题3-4所示电路，求。                                                      图题3-4　答案  解：网孔回路电流方程为：                                      3-5      图题3-4所示电路，求电流。                                                 

4、           图题3-5　答案  解：节点方程为：                                              　3-6   图题3-6所示电路，求电流。                                                                                                    图题3-6　答案 解：节点电位方程为：                        　            3-7 图题3-7所示电路，求电流i。              

5、                                              图题3-7　答案  解：网孔电流方程为：                                                  3-8     图题3-8所示电路，,求。                                                                 图题3-8                                     　答案      解：                              

6、又                       3-9  列写出图题3-9所示电路节点方程。                                                                            图题3-9   　答案           解：节点方程：                                              或：                      3-10 若网孔方程为                                           试画出其电路图。　　

7、答案   解：对应电路图如图3-10所示。                        　3-11 若节点方程为                                   试画出其电路图。　                        　答案   解：对应电路图如图3-11所示。