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Physics, 26.09.2021 08:00 aredwolf2017

Một điện trở 5 ôm được mắc vào hiệu điện thế 6v nếu tăng hiệu điện thế ở 2 đầu điện trở ấy gấp 2 lần thì cường độ dòng điện chạy qua điện trở đó tăng giảm thế nào

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Một điện trở 5 ôm được mắc vào hiệu điện thế 6v nếu tăng hiệu điện thế ở 2 đầu điện trở ấy gấp 2 lần...

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