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Physics, 20.08.2021 01:00 Hjackson24

. Một khung dây phẳng có diện tích 20 cm2 đặt trong từ trường đều. Véctơ cảm ứng từ vuông
góc với mặt phẳng khung dây và có độ lớn bằng 0,05 T. Người ta cho từ trường giảm đều đến
0 trong khoảng thời gian 0,01 s. Tính độ lớn suất điện động cảm ứng xuất hiện trong khung
dây.

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