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Hai bóng đèn 220V- 110W được mắc song song vào hiệu điện thế 220V tính:
a. Cường độ dòng điện chạy qua mỗi bóng đèn
b. Cường độ dòng điện chạy qua mạch chính
c.Điện năng tiêu thụ của hai bóng đèn trong 5 giờ
d. Tiền điện phải trả cho hai bóng đèn trong một tháng (30 ngày). Biết thời gian dùng điện trung bình mỗi ngày là 5 giờ và giá điện là 1900đ/Kwh.
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Answers: 3
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Which is one of the reasons that swift gives for his proposal? a.) the threat of harvesting babies would engourage stronger discipline among the young b.) thereis a famine inthe land, nd the children are plentiful c.) the meat of the irish infandts goes well with many dofferent vegetables d.) children would become valuable property
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Hai bóng đèn 220V- 110W được mắc song song vào hiệu điện thế 220V tính:
a. Cường độ dòng điện chạy...
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