Physics, 14.06.2021 14:00, connzbozz

Một electron di chuyển trong một từ trường đều theo chiều dương trục x vuông góc với cảm ứng từ 7 mT thì khoảng thời gian cần thiết để electron đi hết vòng tròn là:

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Một electron di chuyển trong một từ trường đều theo chiều dương trục x vuông góc với cảm ứng từ 7 mT...