15问答网 > 滑动变阻器分压式和限流式的工作原理

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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