如图所示,电源电动势为E,内电阻为r,两电压表可看作理想电表,假设滑动变阻器的触片如图所示,电源电动势为E,内电阻为r,两电压表均可看作是理想电表.闭合开关,将滑动变阻器的触片由左端向
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/10 09:29:30
![如图所示,电源电动势为E,内电阻为r,两电压表可看作理想电表,假设滑动变阻器的触片如图所示,电源电动势为E,内电阻为r,两电压表均可看作是理想电表.闭合开关,将滑动变阻器的触片由左端向](/uploads/image/z/3239521-25-1.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E7%94%B5%E6%BA%90%E7%94%B5%E5%8A%A8%E5%8A%BF%E4%B8%BAE%2C%E5%86%85%E7%94%B5%E9%98%BB%E4%B8%BAr%2C%E4%B8%A4%E7%94%B5%E5%8E%8B%E8%A1%A8%E5%8F%AF%E7%9C%8B%E4%BD%9C%E7%90%86%E6%83%B3%E7%94%B5%E8%A1%A8%2C%E5%81%87%E8%AE%BE%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%E7%9A%84%E8%A7%A6%E7%89%87%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E7%94%B5%E6%BA%90%E7%94%B5%E5%8A%A8%E5%8A%BF%E4%B8%BAE%2C%E5%86%85%E7%94%B5%E9%98%BB%E4%B8%BAr%2C%E4%B8%A4%E7%94%B5%E5%8E%8B%E8%A1%A8%E5%9D%87%E5%8F%AF%E7%9C%8B%E4%BD%9C%E6%98%AF%E7%90%86%E6%83%B3%E7%94%B5%E8%A1%A8.%E9%97%AD%E5%90%88%E5%BC%80%E5%85%B3%2C%E5%B0%86%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%E7%9A%84%E8%A7%A6%E7%89%87%E7%94%B1%E5%B7%A6%E7%AB%AF%E5%90%91)
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