要怎么理解这两幅图?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 18:47:44
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要怎么理解这两幅图?
要怎么理解这两幅图?
要怎么理解这两幅图?
1电灯泡是并联一电阻,电压不变,改变电阻电流改变,2串联一电阻,电流不变,改变电阻灯泡电压改变
两幅都并联