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Physics, 16.06.2021 16:50 daedae96

Một sợi dây có chiều dài 2,8 m mang dòng điện 5A đặt trong từ trường đều 0,39 T. Tính độ lớn của lực từ tác dụng lên dây khi góc giữa từ trường và dòng điện là (a) 600, (b) 900và (c) 1200.

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Một sợi dây có chiều dài 2,8 m mang dòng điện 5A đặt trong từ trường đều 0,39 T. Tính độ lớn của lực...
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