已知元件A为电阻、电容或电感，其两端电压、电流分别为，，则该元件为（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/de514d0c6e824288b4393ecf354aa224.png
举一反三
- 已知元件A为电阻、电容或电感，其两端电压、电流分别为，，则该元件为（ ）。[img=256x31]17a3dc76854e393.png[/img]
- 已知元件A为电阻、电容或电感,其两端电压、电流分别为,,则该元件为()。 A: 电感元件且L=0.637H B: 电容元件且C=318.5μF C: 电阻元件且R=10Ω D: 其它选项都不对
- 电路如图所示，20Ω电阻两端的电压U（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/37eeb8f471b14fa39bd164502652fd41.png
- 零初始条件下系统的微分方程如下0.2<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/a9016a8e310743f2bd58d7f9c8d9d679.png" />，则系统的传递函数为（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/a4bea77a2206422f94416a8b92b1ae1b.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/8012e0d7f6374e61aeb25b284d85b182.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/9ba5daef946e4f8aa8a46e162da7a01d.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/0282eee3912a4d9586d3d28f4fbfc4b1.png" />
- 理想运算放大器的主要特征为 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/8ec216c374814f48ad60b00627bee3d6.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/b36e9dfc39a748b1b652e9b3c1a762ed.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/2a93dfdbeb804030ac0da51eed08943e.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/a01ee7baba84489f886c43cc5d5c5169.png" />