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Physics, 14.06.2021 17:00 afolmar2006
Ba đện trở R1, R2, R3 mắc nối tiếp với nhau vào hai đầu đoạn mạch có hiệu điện thế 44 V. Biết R1 = 2R2 = 3 R3=. Cường độ dòng điện chạy trong đoạn mạch là 4A. Tính giá trị các điện trở và hiệu điện thế hai đầu mỗi điện trở.
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Ba đện trở R1, R2, R3 mắc nối tiếp với nhau vào hai đầu đoạn mạch có hiệu điện thế 44 V. Biết R1 = 2...
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