一道物理题(英文的)Maximum power transfer to the load RL occurs when its value is (30)最好是用Thevenin's Theorem,好像叫戴伟宁定律当RL=Rth时,P最大,好像是要把电源断路,然后求Rth,我不明白那个Rth是怎
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![一道物理题(英文的)Maximum power transfer to the load RL occurs when its value is (30)最好是用Thevenin's Theorem,好像叫戴伟宁定律当RL=Rth时,P最大,好像是要把电源断路,然后求Rth,我不明白那个Rth是怎](/uploads/image/z/2595237-69-7.jpg?t=%E4%B8%80%E9%81%93%E7%89%A9%E7%90%86%E9%A2%98%EF%BC%88%E8%8B%B1%E6%96%87%E7%9A%84%EF%BC%89Maximum+power+transfer+to+the+load+RL+occurs+when+its+value+is+%EF%BC%8830%EF%BC%89%E6%9C%80%E5%A5%BD%E6%98%AF%E7%94%A8Thevenin%26%2339%3Bs+Theorem%2C%E5%A5%BD%E5%83%8F%E5%8F%AB%E6%88%B4%E4%BC%9F%E5%AE%81%E5%AE%9A%E5%BE%8B%E5%BD%93RL%3DRth%E6%97%B6%2CP%E6%9C%80%E5%A4%A7%2C%E5%A5%BD%E5%83%8F%E6%98%AF%E8%A6%81%E6%8A%8A%E7%94%B5%E6%BA%90%E6%96%AD%E8%B7%AF%2C%E7%84%B6%E5%90%8E%E6%B1%82Rth%2C%E6%88%91%E4%B8%8D%E6%98%8E%E7%99%BD%E9%82%A3%E4%B8%AARth%E6%98%AF%E6%80%8E)
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