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所谓等效电源,就是把电路中包含电源的部分电路视为一个电源,如果是电池和电阻连接,则是把它们全体视为一个电源。高中阶段比较常见两种情况:其一,把电池和一个电阻串联的部分整体等效成一个电源;其二,把电池和一个电阻并联的部分整体等效成一个电源。但是鲜见详细的证明过程,本文将用高中学生易懂的方法作出证明。思路:等效在这里的意思应该是等效前后该部分的输出电压U和输出电流I有相同的函数关系式,或者说有相同的输出特性。
The so-called equivalent power, is the part of the circuit that contains the power of the circuit as a power supply, if the battery and resistor connection, it is all of them as a power supply. High school stage is more common in two cases: First, the battery and a resistor in series as a whole equivalent to a power supply; Second, the battery and a resistor in parallel as a whole equivalent to a power supply. However, a rare and detailed proof of the process, this article will be used by high school students to understand the easy way to prove. Ideas: Equivalent to the meaning here is that the output voltage U and output current I in this section before and after the equivalent function have the same function, or have the same output characteristics.