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Physics, 23.10.2021 23:20 twistedhyperboles
Cho mạch điện có hai điện trở R1= 30 Ω; R2 = 18Ω mắc nối tiếp với nhau, Mắc vào hiệu điện thế của nguồn UAB = 12V
a. Vẽ sơ đồ mạch điện .Tính điện trở tương đương của mạch ?
b. Tính hiệu điện thế hai đầu mỗi điện trở ?
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Cho mạch điện có hai điện trở R1= 30 Ω; R2 = 18Ω mắc nối tiếp với nhau, Mắc vào hiệu điện thế của ng...
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