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滑动变阻器分压式和限流式的工作原理

伏安特性曲线的实验那种分压式，具体工作原理为何会分压

2025-02-14 11:53:20

推荐回答（1个）

回答1：

限流电路最大电压U=E 最小电压 Ux=ERX/(R+RX) 电压不能从0开始连续变化

分压电路最大电压U=E 最小电压 Ux=ER并/(R并+R) 当R并=0时 UX=0

RX两端电压从0开始连续变化

伏安特性曲线的实验用分压电路，可以确定从0开始到额丁电压各个电压下的功率

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