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动态电路各支路的电阻分为变与不变两种情况,电学量变化量比值解法不同.应通过闭合电路欧姆定律分析出电压与电流关系表达式;或利用等效电源的方法,类比由“测电源的电动势和内阻”实验对数据处理方法;也可以用求导数的方法进行分析.
The resistance of each branch of the dynamic circuit is divided into two cases of change and invariability. The ratio of electric quantity variation is different. The relationship between voltage and current should be analyzed through the closed circuit Ohm’s law; or the method of equivalent power supply, analogy “Testing the electromotive force and internal resistance of the power supply” The experimental data processing method; can also be used to determine the derivative method.