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Physics, 16.06.2021 03:10 raheeeq

Mạch dao động LC lí tưởng gồm độ tự cảm 4 mH và tụ điện có điện dung 9 nF. Trong mạch có dao động điện từ tự do, hiệu điện thế cực đại giữa hai bản cực của tụ điện bằng 5 V. Khi hiệu điện thế giữa hai bản tụ điện là 3 V thì cường độ dòng điện trong mạch bằng

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Mạch dao động LC lí tưởng gồm độ tự cảm 4 mH và tụ điện có điện dung 9 nF. Trong mạch có dao động đi...
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