标有“12V 6W”和“6V 4W”的两个小灯泡,采用串联或并联的方式接在0-20V电压可调的电源两极上.若灯的电阻不受温度影响,灯的实际功率不得超过其额定功率,则两灯消耗的总功率最大为( )W.
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 04:32:08
![标有“12V 6W”和“6V 4W”的两个小灯泡,采用串联或并联的方式接在0-20V电压可调的电源两极上.若灯的电阻不受温度影响,灯的实际功率不得超过其额定功率,则两灯消耗的总功率最大为( )W.](/uploads/image/z/8402496-24-6.jpg?t=%E6%A0%87%E6%9C%89%E2%80%9C12V+6W%E2%80%9D%E5%92%8C%E2%80%9C6V+4W%E2%80%9D%E7%9A%84%E4%B8%A4%E4%B8%AA%E5%B0%8F%E7%81%AF%E6%B3%A1%2C%E9%87%87%E7%94%A8%E4%B8%B2%E8%81%94%E6%88%96%E5%B9%B6%E8%81%94%E7%9A%84%E6%96%B9%E5%BC%8F%E6%8E%A5%E5%9C%A80-20V%E7%94%B5%E5%8E%8B%E5%8F%AF%E8%B0%83%E7%9A%84%E7%94%B5%E6%BA%90%E4%B8%A4%E6%9E%81%E4%B8%8A.%E8%8B%A5%E7%81%AF%E7%9A%84%E7%94%B5%E9%98%BB%E4%B8%8D%E5%8F%97%E6%B8%A9%E5%BA%A6%E5%BD%B1%E5%93%8D%2C%E7%81%AF%E7%9A%84%E5%AE%9E%E9%99%85%E5%8A%9F%E7%8E%87%E4%B8%8D%E5%BE%97%E8%B6%85%E8%BF%87%E5%85%B6%E9%A2%9D%E5%AE%9A%E5%8A%9F%E7%8E%87%2C%E5%88%99%E4%B8%A4%E7%81%AF%E6%B6%88%E8%80%97%E7%9A%84%E6%80%BB%E5%8A%9F%E7%8E%87%E6%9C%80%E5%A4%A7%E4%B8%BA%EF%BC%88+%EF%BC%89W.)
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