电容电路如图所示，其等效电容为（）。
A: 2.5F
B: 1.5F
C: 10F
D: 16F
A: 2.5F
B: 1.5F
C: 10F
D: 16F
举一反三
- 电容电路如图所示，其等效电容为（）。[img=264x159]178699bc5f1e84b.png[/img] A: 2.5F B: 1.5F C: 16F D: 10F
- 如图所示电路的逻辑表达式F=（ ）。<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/8655693a417e4e43a32e0732ed533c96.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/beda73211aea49f082d9137fd4eb0526.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7388c99ee0824f20bcf85893934a2f6a.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/9a5c81e78b344c79a9389e932a7f55ce.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/82193a9a030243728012b02e15718987.png" />
- 以下四个图所示的力三角形，哪一个图表示力矢R是F<sub>1</sub>和F<sub>2</sub>两力矢的合力矢量 （ ） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202006/e5882668f0e84059a814aa855a51c3f6.png"/> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202006/7ce37cfeee134a2a8e6cef983a8c334e.png"/> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202006/3c0b7ba6eaa14d0597864d403938923d.png"/> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202006/bd13812c38674e828a05477ef3fa6c61.png"/>
- 如图所示电路中a、b端的等效电容为（）。 A: 10µF B: 6µF C: 1.6µF
- 已知f(t)↔F(w)，则下列说法正确的是（） A: tf(t)↔wF(w) B: F(t)↔f(w) C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/e987a05c70d3455bad2fbdef6ce1fc1d.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/92f68075a5ff43708660199e4eed9415.png" />