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在恒定电流电路中,只要电路的某一部分结构稍有变化(如变阻器触头的滑动,某一支路开关的打开与闭合等),就会引起整个电路各电学量的变化.求解这类题目,用到的知识虽简单,但由于局部与全局的关系交织在一起就对同学们的综合能力提出了很高的要求.一、恒定电流电路动态变化分析的基本要点1.首先要进行电路结构分析.弄清各电表测的是哪段电路的哪个物理量,弄清变阻器电阻变化的情况等.
In the constant current circuit, as long as the structure of a part of the circuit is slightly changed (such as rheostat contact sliding, a branch switch on and off, etc.), it will cause the entire circuit of the amount of electrical changes. , Although the use of knowledge is simple, but because of the relationship between local and global intertwined on the comprehensive ability of students put forward a very high demand.A constant current circuit dynamic analysis of changes in the basic points 1. First, the circuit structure Analysis. To find out which meter is measured which physical circuit, to understand the varistor resistance changes and so on.