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Hanhsieuquayy
2 năm trước
Một khung dây dẫn phẳng hình vuông MNPQ có cạnh 5 cm. Đặt khung dây trong từ trường đều B = 0,01T. - Ban đầu: mặt phẳng khung dây vuông góc với đường sức từ. - Sau đó: Làm cho khung dây này quay quanh trục đối xứng của nó trong thời gian 0,01s tới vị trí mặt phẳng khung dây hợp với đường sức từ một góc 300 . Hãy xác định suất điện động cảm ứng xuất hiện trong khung dây.
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