电压与电阻的关系?现在挺疑惑.以为有些题里说”电压与电阻成正比(就是滑动变阻器阻值变大电压也变大)“,又有些题说"滑动变阻器阻值变大电流变小,所以电压是变小的"到底哪个对?电压
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/25 09:09:40
![电压与电阻的关系?现在挺疑惑.以为有些题里说”电压与电阻成正比(就是滑动变阻器阻值变大电压也变大)“,又有些题说](/uploads/image/z/4728506-50-6.jpg?t=%E7%94%B5%E5%8E%8B%E4%B8%8E%E7%94%B5%E9%98%BB%E7%9A%84%E5%85%B3%E7%B3%BB%3F%E7%8E%B0%E5%9C%A8%E6%8C%BA%E7%96%91%E6%83%91.%E4%BB%A5%E4%B8%BA%E6%9C%89%E4%BA%9B%E9%A2%98%E9%87%8C%E8%AF%B4%E2%80%9D%E7%94%B5%E5%8E%8B%E4%B8%8E%E7%94%B5%E9%98%BB%E6%88%90%E6%AD%A3%E6%AF%94%EF%BC%88%E5%B0%B1%E6%98%AF%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%E9%98%BB%E5%80%BC%E5%8F%98%E5%A4%A7%E7%94%B5%E5%8E%8B%E4%B9%9F%E5%8F%98%E5%A4%A7%EF%BC%89%E2%80%9C%2C%E5%8F%88%E6%9C%89%E4%BA%9B%E9%A2%98%E8%AF%B4%22%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%E9%98%BB%E5%80%BC%E5%8F%98%E5%A4%A7%E7%94%B5%E6%B5%81%E5%8F%98%E5%B0%8F%2C%E6%89%80%E4%BB%A5%E7%94%B5%E5%8E%8B%E6%98%AF%E5%8F%98%E5%B0%8F%E7%9A%84%22%E5%88%B0%E5%BA%95%E5%93%AA%E4%B8%AA%E5%AF%B9%3F%E7%94%B5%E5%8E%8B)
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