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tolafandoraemon
2 năm trước
Giu1p mik vs mik sẽ vote 5 sao ạ! 1. Cho mạch điện gồm 2 đèn mắc nối tiếp vào nguồn điện U=12V , biết cường độ dòng điện qua đèn 1 là 0,35A.Tính a/ Cường độ dòng điện qua đèn 2. b/ Nếu hiệu điện thế đèn 2 là 5,6V thì hiệu điện thế đèn 1 là bao nhiêu?
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