Physics, 08.12.2021 14:00, theactualslash

E=90V, R1=300 ÔM , R2 =35, R3= 20 ÔM, R4=15 ÔM, RV-8 R=5 ÔM a, tính cường độ dòng điện mạch chính hiệu thế mạch chính và cường độ dòng điện qua các điện trở

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E=90V, R1=300 ÔM , R2 =35, R3= 20 ÔM, R4=15 ÔM, RV-8 R=5 ÔM a, tính cường độ dòng điện mạch chính hi...