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honghanhnguyen77
2 năm trước
Giải chi tiết giúp mình nhé! mình đang cần gấp Mạch điện gồm Ampe kế A nt [(R1 nt R2) // R3] Biết R1=4Ω, R2= 6Ω, R3=15Ω. Hiệu điện thế hai đầu đoạn mạch UAB= 36Ω a/ Tính điện trở tương đương của đoạn mạch b/ Tìm số chỉ của ampe kế A và tính hiệu điện thế hai đầu các điện trở R1, R2
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