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Physics, 22.07.2021 19:40 shartman22
Một khung dây dẫn điện trở 1 ôm hình vuông cạnh 20cm nằm trong từ trường đều có mặt phẳng vuông góc với đường sức khi cảm ứng từ giảm dần từ 1T về 0 trong thời gian 0,1 s thì cường độ dòng điện là
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Một khung dây dẫn điện trở 1 ôm hình vuông cạnh 20cm nằm trong từ trường đều có mặt phẳng vuông góc...
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