题目内容：
下列说法哪些是正确的（）。A.一个电路，如有n个节点，可以列写n-1个独立的KCL方程；
B.任何一个闭合面都可以看作是一个节点，满足KCL关系；
C.集总参数电路中任一回路，沿着回路方向，所有元件电压降的代数和为零；
D.KCL是根据能量守恒推导出来的。
参考答案：
选择题：下列说法哪些是正确的（）。A.一个电路，如有n个节点，可以列写n-1个独立的KCL方程；
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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