闭合开关S时,灯泡L1L2都不亮,用导线的两端接触a,b两点如图所示,闭合开关S时,灯泡L1、L2都不亮.用一段导线的两端接触a、b两点时,两灯都不亮;接触b、c时,两灯都不亮;接触c、d时,两灯都亮.则
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/14 04:38:54
![闭合开关S时,灯泡L1L2都不亮,用导线的两端接触a,b两点如图所示,闭合开关S时,灯泡L1、L2都不亮.用一段导线的两端接触a、b两点时,两灯都不亮;接触b、c时,两灯都不亮;接触c、d时,两灯都亮.则](/uploads/image/z/11512313-17-3.jpg?t=%E9%97%AD%E5%90%88%E5%BC%80%E5%85%B3S%E6%97%B6%2C%E7%81%AF%E6%B3%A1L1L2%E9%83%BD%E4%B8%8D%E4%BA%AE%2C%E7%94%A8%E5%AF%BC%E7%BA%BF%E7%9A%84%E4%B8%A4%E7%AB%AF%E6%8E%A5%E8%A7%A6a%2Cb%E4%B8%A4%E7%82%B9%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E9%97%AD%E5%90%88%E5%BC%80%E5%85%B3S%E6%97%B6%2C%E7%81%AF%E6%B3%A1L1%E3%80%81L2%E9%83%BD%E4%B8%8D%E4%BA%AE.%E7%94%A8%E4%B8%80%E6%AE%B5%E5%AF%BC%E7%BA%BF%E7%9A%84%E4%B8%A4%E7%AB%AF%E6%8E%A5%E8%A7%A6a%E3%80%81b%E4%B8%A4%E7%82%B9%E6%97%B6%2C%E4%B8%A4%E7%81%AF%E9%83%BD%E4%B8%8D%E4%BA%AE%EF%BC%9B%E6%8E%A5%E8%A7%A6b%E3%80%81c%E6%97%B6%2C%E4%B8%A4%E7%81%AF%E9%83%BD%E4%B8%8D%E4%BA%AE%EF%BC%9B%E6%8E%A5%E8%A7%A6c%E3%80%81d%E6%97%B6%2C%E4%B8%A4%E7%81%AF%E9%83%BD%E4%BA%AE.%E5%88%99)
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