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Mathematics, 31.10.2021 04:30 babyduckies37
Một dây dẫn làm bằng vônfam có diện trở suất p = 5,5 10-⁸ W. m, tiết diện S = 1mm² và chiều dài là / = 100m, đặt dưới hiệu điện thế U = 24V
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Một dây dẫn làm bằng vônfam có diện trở suất p = 5,5 10-⁸ W. m, tiết diện S = 1mm² và chiều dài là /...
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