Physics, 16.06.2021 04:10 ciarra31

5. Một electron có vận tốc 106 m/s chuyển động song song với một dây dẫn thẳng dài vô hạn và cách dây
dẫn một khoảng 4 mm. Tìm lực tác dụng lên electron
nếu cho dòng điện I = 2A chạy qua dây dẫn

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5. Một electron có vận tốc 106 m/s chuyển động song song với một dây dẫn thẳng dài vô hạn và cách d...