Physics, 22.07.2021 03:10 heyheyheyhey3
Trong từ trường đều có cường độ H = 1000A/m, xét một diện tích phẳng S = 50cm2, sao cho các đường sức từ tạo với mặt phẳng của diện tích S một góc 300. Tính từ thông gởi qua diện tích đó
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Trong từ trường đều có cường độ H = 1000A/m, xét một diện tích phẳng S = 50cm2, sao cho các đường sứ...
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