在图9所示的电路中,电源电压保持不变,滑动变阻器R2上标有"100Ω 1A"字样.闭合电键S后,电流表A的示数为0.5安,电压表Vl的示数为10伏,电压表V2的示数为6伏.求:(1)定值电阻R1的阻值.(2)此
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 04:27:14
![在图9所示的电路中,电源电压保持不变,滑动变阻器R2上标有](/uploads/image/z/4592009-65-9.jpg?t=%E5%9C%A8%E5%9B%BE9%E6%89%80%E7%A4%BA%E7%9A%84%E7%94%B5%E8%B7%AF%E4%B8%AD%2C%E7%94%B5%E6%BA%90%E7%94%B5%E5%8E%8B%E4%BF%9D%E6%8C%81%E4%B8%8D%E5%8F%98%2C%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8R2%E4%B8%8A%E6%A0%87%E6%9C%89%22100%CE%A9+1A%22%E5%AD%97%E6%A0%B7%EF%BC%8E%E9%97%AD%E5%90%88%E7%94%B5%E9%94%AES%E5%90%8E%2C%E7%94%B5%E6%B5%81%E8%A1%A8A%E7%9A%84%E7%A4%BA%E6%95%B0%E4%B8%BA0.5%E5%AE%89%2C%E7%94%B5%E5%8E%8B%E8%A1%A8Vl%E7%9A%84%E7%A4%BA%E6%95%B0%E4%B8%BA10%E4%BC%8F%2C%E7%94%B5%E5%8E%8B%E8%A1%A8V2%E7%9A%84%E7%A4%BA%E6%95%B0%E4%B8%BA6%E4%BC%8F%EF%BC%8E%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89%E5%AE%9A%E5%80%BC%E7%94%B5%E9%98%BBR1%E7%9A%84%E9%98%BB%E5%80%BC%EF%BC%8E%EF%BC%882%EF%BC%89%E6%AD%A4)
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