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duongbangtran
2 năm trước
1.Bộ nguồn điện gồm 12 chiếc pin giống nhau, suất điện động của mỗi nguồn là 1,5V điện trở trong 0,5 ôm được mắc thành bộ nguốn để cung cấp điện cho điện trở R= 1,5 ôm a. Mắc 12 nguồn nối tiếp nhau b. Tính cường độ dòng điện chạy qua mỗi nguồn c. tính công suất tỏa nhiệt trên điện trở R
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