问一些物理题.(2)选择题(不确定是单选还是多选)1、在测定小灯泡的功率的实验中,当调节滑动变阻器使小灯泡两端的电压高于额定电压的0.2倍时,则小灯泡的实际功率与额定功率之比是A 36:2
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![问一些物理题.(2)选择题(不确定是单选还是多选)1、在测定小灯泡的功率的实验中,当调节滑动变阻器使小灯泡两端的电压高于额定电压的0.2倍时,则小灯泡的实际功率与额定功率之比是A 36:2](/uploads/image/z/9485899-43-9.jpg?t=%E9%97%AE%E4%B8%80%E4%BA%9B%E7%89%A9%E7%90%86%E9%A2%98.%282%29%E9%80%89%E6%8B%A9%E9%A2%98%EF%BC%88%E4%B8%8D%E7%A1%AE%E5%AE%9A%E6%98%AF%E5%8D%95%E9%80%89%E8%BF%98%E6%98%AF%E5%A4%9A%E9%80%89%EF%BC%891%E3%80%81%E5%9C%A8%E6%B5%8B%E5%AE%9A%E5%B0%8F%E7%81%AF%E6%B3%A1%E7%9A%84%E5%8A%9F%E7%8E%87%E7%9A%84%E5%AE%9E%E9%AA%8C%E4%B8%AD%2C%E5%BD%93%E8%B0%83%E8%8A%82%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%E4%BD%BF%E5%B0%8F%E7%81%AF%E6%B3%A1%E4%B8%A4%E7%AB%AF%E7%9A%84%E7%94%B5%E5%8E%8B%E9%AB%98%E4%BA%8E%E9%A2%9D%E5%AE%9A%E7%94%B5%E5%8E%8B%E7%9A%840.2%E5%80%8D%E6%97%B6%2C%E5%88%99%E5%B0%8F%E7%81%AF%E6%B3%A1%E7%9A%84%E5%AE%9E%E9%99%85%E5%8A%9F%E7%8E%87%E4%B8%8E%E9%A2%9D%E5%AE%9A%E5%8A%9F%E7%8E%87%E4%B9%8B%E6%AF%94%E6%98%AFA+36%3A2)
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