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Physics, 17.06.2021 16:40 tytybruce2
Dòng điện không đổi có cường độ 16A đi qua dây kim loại có đường kính tiết diện 2,0mm mật độ electron tự do trong đoạn dây 10^22 cm^3. Tính tốc độ chuyển độbg định hướng của các electron tự do
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Dòng điện không đổi có cường độ 16A đi qua dây kim loại có đường kính tiết diện 2,0mm mật độ electro...
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