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Physics, 27.11.2021 14:00 canyonmorlan
02: Một bình ắc quy 24V – 9AH cấp nguồn cho 4 đèn dây tóc 12V – 4W.
a. Hãy vẽ sơ đồ nối 4 đèn trên với ắc quy để 4 đèn sáng bình thường?
b. Tính dòng điện chạy trên dây dẫn cấp nguồn cho 4 đèn?
c. Hãy tính thời gian ắc quy có thể cấp nguồn cho đèn. Biết rằng hệ số xả sâu cho phép của ắc
quy là 0,62.
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Answers: 1
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02: Một bình ắc quy 24V – 9AH cấp nguồn cho 4 đèn dây tóc 12V – 4W.
a. Hãy vẽ sơ đồ nối 4 đèn trên...
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