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本文通过类比部分电路的欧姆定律,对闭合电路的组成、电源的作用进行分析,在建立相应的物理概念后,以四种不同的方式去推导闭合电路欧姆定律,以达到教师教学的参考和学生真正理解的效果。
In this paper, Ohm’s law of analog circuit is used to analyze the composition of closed circuit and the function of power supply. After establishing the corresponding physical concepts, Ohm’s law of closed circuit is derived in four different ways to reach the reference of teachers’ teaching and students Truly understand the effect.