物理、、、、、物理电功率灯泡L1‘8V 4W‘ 灯泡L2 "6V 2W”并联在电路中,闭合开关后,一个灯泡发光正常,另一个灯泡发光很暗淡,则正常发光的灯泡是_______,该电路的电源电压为______V.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 15:01:04
![物理、、、、、物理电功率灯泡L1‘8V 4W‘ 灯泡L2](/uploads/image/z/1945135-55-5.jpg?t=%E7%89%A9%E7%90%86%E3%80%81%E3%80%81%E3%80%81%E3%80%81%E3%80%81%E7%89%A9%E7%90%86%E7%94%B5%E5%8A%9F%E7%8E%87%E7%81%AF%E6%B3%A1L1%E2%80%988V+4W%E2%80%98+%E7%81%AF%E6%B3%A1L2+%226V++2W%E2%80%9D%E5%B9%B6%E8%81%94%E5%9C%A8%E7%94%B5%E8%B7%AF%E4%B8%AD%2C%E9%97%AD%E5%90%88%E5%BC%80%E5%85%B3%E5%90%8E%2C%E4%B8%80%E4%B8%AA%E7%81%AF%E6%B3%A1%E5%8F%91%E5%85%89%E6%AD%A3%E5%B8%B8%2C%E5%8F%A6%E4%B8%80%E4%B8%AA%E7%81%AF%E6%B3%A1%E5%8F%91%E5%85%89%E5%BE%88%E6%9A%97%E6%B7%A1%2C%E5%88%99%E6%AD%A3%E5%B8%B8%E5%8F%91%E5%85%89%E7%9A%84%E7%81%AF%E6%B3%A1%E6%98%AF_______%2C%E8%AF%A5%E7%94%B5%E8%B7%AF%E7%9A%84%E7%94%B5%E6%BA%90%E7%94%B5%E5%8E%8B%E4%B8%BA______V.)
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