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o煜佶o
級別: 探索解密
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樓主  發(fā)表于: 2023-07-27 17:06
我要定制一條發(fā)熱棒，但廠(chǎng)家說(shuō)太短做不了大功率。
之后發(fā)現一個(gè)奇特的問(wèn)題，市面上定制發(fā)熱絲是越長(cháng)功率越大，但按照公式計算不是電壓一定的情況下，發(fā)熱絲越長(cháng)，電阻變大，電流變小，功率變小嗎
[ 此帖被o煜佶o在2023-07-27 17:12重新編輯 ]
1992sd
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1樓  發(fā)表于: 2023-07-31 15:01
那廠(chǎng)家做法是將幾組電熱絲并聯(lián)，發(fā)熱棒短了裝不下。

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