Physics, 25.07.2021 14:00 josuemarquezz27
Bài 4: Có mạch điện như hình vẽ: R1 = 12 , R2=4, R3 = 6, R4 = 6 , R5 = 9 . Hiệu điện thế UAB = 24 V. a. Tính cường độ dòng điện qua mỗi điện trở. b. Tính hiệu điện thế UMN, UAN.
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Bài 4: Có mạch điện như hình vẽ: R1 = 12 , R2=4, R3 = 6, R4 = 6 , R5 = 9 . Hiệu điện thế UAB =...
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