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Physics, 30.10.2021 23:20 confi92841

Một dây dẫn bằng nikelin có điện trở suất là ρ = 0,4.10-6 Ωm, dài l = 5m, tiết diện S = 0,5mm2
. Tính điện trở R của dây nikelin

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Một dây dẫn bằng nikelin có điện trở suất là ρ = 0,4.10-6 Ωm, dài l = 5m, tiết diện S = 0,5mm2
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