Physics, 12.09.2021 09:10 stinematesa

Cho hai bóng đèn Đ1 và Đ2 mắc nối tiếp trong đó apekế có số chỉ 0,35A . HĐT giữa hai đầu đèn là Đ 1 là U12 = 3,2V và HĐT giữa hai đầu đèn DD là U23 =2,8V .Hãy

a] vẽ sơ đồ mạch điện

b] cho biết cường độ dòng điện đi qua đèn Đ 1 và đèn Đ 2 là bao nhiêu

c] Tính HĐT U13 giưa hai đầu ngoài của hai đèn Đ 1 và Đ 2

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Cho hai bóng đèn Đ1 và Đ2 mắc nối tiếp trong đó apekế có số chỉ 0,35A . HĐT giữa hai đầu đèn là Đ 1...

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