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Physics, 21.06.2021 21:40 tiny2007

Một dây dẫn đặt trong không khí có dòng điện I= 12A chạy qua, được gấp thành hình vuông cạnh a= 10cm. Xác định vectơ cường độ từ trường tại tâm O của hình vuông

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Một dây dẫn đặt trong không khí có dòng điện I= 12A chạy qua, được gấp thành hình vuông cạnh a= 10cm...

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