电路如图所示，则电路的戴维宁等效电路为（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/df9f6f107a4847e498169cc11d88e753.png
举一反三
- 电路如图所示，则电路的戴维宁等效电路为（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/df9f6f107a4847e498169cc11d88e753.png
- 电路如图所示，则含源一端口的戴维宁等效电阻为（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/f7b1c117013a4796be2d662d0c0f5a31.png
- 已知某电路的输入输出波形如图所示，则该电路可能为()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/bc967c3a6f574753aa0eff9dff56c999.png
- 用电源等效变换法可以将上图所示的电路化简为（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/2c8e0fa4964c46e580889bf353c0d0e8.png
- 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