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發布時間:2021-12-03 09:07:16 人氣:
電(dian)(dian)阻絲的電(dian)(dian)阻是多少?不同(tong)功(gong)率電(dian)(dian)爐的電(dian)(dian)阻值也是不同(tong),根據電(dian)(dian)路電(dian)(dian)壓(ya) U=220V、電(dian)(dian)功(gong)率計算公式(shi) P=U^2/R R=U^2/P
以2000W電爐電阻絲為例,的電阻 R=48400/2000=24.2歐姆(mu);
以1000W電(dian)爐電(dian)阻絲為例(li),電(dian)阻 R=48400/1000=48.4歐(ou)姆(mu);
以(yi)800W電爐電阻絲為例,的(de)電阻 R=48400/800=60.5歐(ou)姆
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