Physics, 09.09.2021 14:00 kaidencearley
Đặt vào hai đầu một dây dẫn một hiệu điện thế là 12V thì cường độ dòng điện chạy qua nó là 0,2A. Hãy tính cường độ dòng điện chạy qua dây dẫn khi đặt vào hai đầu dây một hiệu điện thế 48V?
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Đặt vào hai đầu một dây dẫn một hiệu điện thế là 12V thì cường độ dòng điện chạy qua nó là 0,2A. Hãy...
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