要测额定电压是2.5V的小灯泡的额定功率和它供作时的电阻,所给的器材如图所示(画出电路图) (连接)看看我画的对吗
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![要测额定电压是2.5V的小灯泡的额定功率和它供作时的电阻,所给的器材如图所示(画出电路图) (连接)看看我画的对吗](/uploads/image/z/1419016-40-6.jpg?t=%E8%A6%81%E6%B5%8B%E9%A2%9D%E5%AE%9A%E7%94%B5%E5%8E%8B%E6%98%AF2.5V%E7%9A%84%E5%B0%8F%E7%81%AF%E6%B3%A1%E7%9A%84%E9%A2%9D%E5%AE%9A%E5%8A%9F%E7%8E%87%E5%92%8C%E5%AE%83%E4%BE%9B%E4%BD%9C%E6%97%B6%E7%9A%84%E7%94%B5%E9%98%BB%2C%E6%89%80%E7%BB%99%E7%9A%84%E5%99%A8%E6%9D%90%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%EF%BC%88%E7%94%BB%E5%87%BA%E7%94%B5%E8%B7%AF%E5%9B%BE%EF%BC%89+%EF%BC%88%E8%BF%9E%E6%8E%A5%EF%BC%89%E7%9C%8B%E7%9C%8B%E6%88%91%E7%94%BB%E7%9A%84%E5%AF%B9%E5%90%97)
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