非线性伏安特性曲线如何解题这种读图的题目,让你求灯泡的实际功率该怎么做,电阻怎么读呢如一个小灯泡接在一个电动势E=12V,内阻r=2Ω的电源上,求实际功率(灯是非线性元件,说下方法就行
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![非线性伏安特性曲线如何解题这种读图的题目,让你求灯泡的实际功率该怎么做,电阻怎么读呢如一个小灯泡接在一个电动势E=12V,内阻r=2Ω的电源上,求实际功率(灯是非线性元件,说下方法就行](/uploads/image/z/10985611-67-1.jpg?t=%E9%9D%9E%E7%BA%BF%E6%80%A7%E4%BC%8F%E5%AE%89%E7%89%B9%E6%80%A7%E6%9B%B2%E7%BA%BF%E5%A6%82%E4%BD%95%E8%A7%A3%E9%A2%98%E8%BF%99%E7%A7%8D%E8%AF%BB%E5%9B%BE%E7%9A%84%E9%A2%98%E7%9B%AE%2C%E8%AE%A9%E4%BD%A0%E6%B1%82%E7%81%AF%E6%B3%A1%E7%9A%84%E5%AE%9E%E9%99%85%E5%8A%9F%E7%8E%87%E8%AF%A5%E6%80%8E%E4%B9%88%E5%81%9A%2C%E7%94%B5%E9%98%BB%E6%80%8E%E4%B9%88%E8%AF%BB%E5%91%A2%E5%A6%82%E4%B8%80%E4%B8%AA%E5%B0%8F%E7%81%AF%E6%B3%A1%E6%8E%A5%E5%9C%A8%E4%B8%80%E4%B8%AA%E7%94%B5%E5%8A%A8%E5%8A%BFE%3D12V%2C%E5%86%85%E9%98%BBr%3D2%CE%A9%E7%9A%84%E7%94%B5%E6%BA%90%E4%B8%8A%2C%E6%B1%82%E5%AE%9E%E9%99%85%E5%8A%9F%E7%8E%87%EF%BC%88%E7%81%AF%E6%98%AF%E9%9D%9E%E7%BA%BF%E6%80%A7%E5%85%83%E4%BB%B6%2C%E8%AF%B4%E4%B8%8B%E6%96%B9%E6%B3%95%E5%B0%B1%E8%A1%8C)
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