![](https://i.imgur.com/KpWpTaF.jpg)
[問題] 二極體
![](https://i.imgur.com/KpWpTaF.jpg)
這兩題小的都認為Vi不小於零的話
D1是沒辦法導通
沒法on 就沒法充電
如果電容值無窮大 充電有什麼特質
謝謝大大幫忙
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