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Physics, 29.11.2021 19:30 chocodeer

Một dây dẫn được uốn thành hình chữ nhật có các cạnh a= 8 (cm), b= 5 (cm), có dòng điện cường độ I 6 (A) chạy qua. Xác định vec tơ cảm ứng từ
tại tâm hình chữ nhật đó.

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Một dây dẫn được uốn thành hình chữ nhật có các cạnh a= 8 (cm), b= 5 (cm), có dòng điện cường độ I...
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