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lekhanhhatd2001
2 năm trước
Cho mạch điện sơ đồ hình vẽ Nguồn điện có hiệu điện thế 3v đóng khóa k ampe kế A1 chỉ 0,1A ampe kế a2 chỉ 0,2 A A, cho biết cường độ chạy qua mỗi bóng đèn là bao nhiêi B, tìm số chỉ ampe kế A C, hiệu điện thế mỗi bóng đèn là bao nhiêu
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