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hiệu điện thế giữa 2 đầu dây dẫn lá 10v thì có cường độ 1,25A .Nếu cường độ dòng điện là 0,75 A thì hiệu điện thế là bao nhiêu?
Answers: 2
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hiệu điện thế giữa 2 đầu dây dẫn lá 10v thì có cường độ 1,25A .Nếu cường độ dòng điện là 0,75 A thì...
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