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範例:電阻串並聯與電功率

圖中,每一電阻均相同,其編號為(1)(2)(3)(4)(5)。且每一電阻之最大發熱功率為32W,若電壓繼續升高,則(1)何電阻先燒壞? (2)若皆未燒壞,則電阻的最大功率為多少W?電阻的最大功率為多少W?  [北一女]


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Posted in 電功率與電流熱效應.

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By admin – 2009 年 12 月 22 日

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