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1.几何模型图1是一个并联电路,该电路中总电阻R与各支路电阻R1、R2之间的关系为1/R=1/R1+1/R2. 怎样用几何图形来构造R、R1、R2之间的关系呢?让我们先来看一道证明题:
1. Geometric Model Figure 1 is a parallel circuit in which the relationship between the total resistance R and each branch resistance R1, R2 is 1/R = 1/R1 + 1/R2. How to use the geometry to construct R, What is the relationship between R1 and R2? Let’s start with a proving question: