有两个标有"220V 100W"的灯泡串联接入220V的电路中,这两个灯泡的总共消耗的功率为多少W (请各位大哥说的明白些啊 小弟谢过.最好把求电功率的公式也都写上啊
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/21 18:51:02
![有两个标有](/uploads/image/z/5279371-43-1.jpg?t=%E6%9C%89%E4%B8%A4%E4%B8%AA%E6%A0%87%E6%9C%89%22220V+100W%22%E7%9A%84%E7%81%AF%E6%B3%A1%E4%B8%B2%E8%81%94%E6%8E%A5%E5%85%A5220V%E7%9A%84%E7%94%B5%E8%B7%AF%E4%B8%AD%2C%E8%BF%99%E4%B8%A4%E4%B8%AA%E7%81%AF%E6%B3%A1%E7%9A%84%E6%80%BB%E5%85%B1%E6%B6%88%E8%80%97%E7%9A%84%E5%8A%9F%E7%8E%87%E4%B8%BA%E5%A4%9A%E5%B0%91W+%28%E8%AF%B7%E5%90%84%E4%BD%8D%E5%A4%A7%E5%93%A5%E8%AF%B4%E7%9A%84%E6%98%8E%E7%99%BD%E4%BA%9B%E5%95%8A+%E5%B0%8F%E5%BC%9F%E8%B0%A2%E8%BF%87.%E6%9C%80%E5%A5%BD%E6%8A%8A%E6%B1%82%E7%94%B5%E5%8A%9F%E7%8E%87%E7%9A%84%E5%85%AC%E5%BC%8F%E4%B9%9F%E9%83%BD%E5%86%99%E4%B8%8A%E5%95%8A)
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