九年级物理电学1 一盏“220V 25W”的甲灯和一盏“36V 25W”的乙灯,当他们正常发光时(两灯一样亮)他们的电流不可能达到各自的额定电流呀,怎么正常发光?2 用电器串联时,电阻越大,实际功率
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![九年级物理电学1 一盏“220V 25W”的甲灯和一盏“36V 25W”的乙灯,当他们正常发光时(两灯一样亮)他们的电流不可能达到各自的额定电流呀,怎么正常发光?2 用电器串联时,电阻越大,实际功率](/uploads/image/z/2959491-3-1.jpg?t=%E4%B9%9D%E5%B9%B4%E7%BA%A7%E7%89%A9%E7%90%86%E7%94%B5%E5%AD%A61+%E4%B8%80%E7%9B%8F%E2%80%9C220V+25W%E2%80%9D%E7%9A%84%E7%94%B2%E7%81%AF%E5%92%8C%E4%B8%80%E7%9B%8F%E2%80%9C36V+25W%E2%80%9D%E7%9A%84%E4%B9%99%E7%81%AF%2C%E5%BD%93%E4%BB%96%E4%BB%AC%E6%AD%A3%E5%B8%B8%E5%8F%91%E5%85%89%E6%97%B6%EF%BC%88%E4%B8%A4%E7%81%AF%E4%B8%80%E6%A0%B7%E4%BA%AE%EF%BC%89%E4%BB%96%E4%BB%AC%E7%9A%84%E7%94%B5%E6%B5%81%E4%B8%8D%E5%8F%AF%E8%83%BD%E8%BE%BE%E5%88%B0%E5%90%84%E8%87%AA%E7%9A%84%E9%A2%9D%E5%AE%9A%E7%94%B5%E6%B5%81%E5%91%80%2C%E6%80%8E%E4%B9%88%E6%AD%A3%E5%B8%B8%E5%8F%91%E5%85%89%3F2+%E7%94%A8%E7%94%B5%E5%99%A8%E4%B8%B2%E8%81%94%E6%97%B6%2C%E7%94%B5%E9%98%BB%E8%B6%8A%E5%A4%A7%2C%E5%AE%9E%E9%99%85%E5%8A%9F%E7%8E%87)
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