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phongnguyen192800
2 năm trước
cho r1,r2,r3 mắc nối tiếp ,biết :r1=1 ÔM,r2=2,r3=2 ÔM , uAB=16V .TÌM: A, ĐIỆN TRỞ TƯƠNG ĐƯƠNG CỦA ĐOẠN MẠCH B, HIỆU ĐIỆN THẾ HAI ĐẦU MỖI ĐIỆN TRỞ ......GIÚP MK VS Ạ DDANG CẦN ....
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