图示电路中,已知电路换路前已处于稳态,换路后uC(∞)为()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/22a8c47804b8445b9f6eef428d920a07.jpg
举一反三
- 图示电路中,已知电路换路前已处于稳态,换路后uC(∞)为
- 如图所示电路,t=0时开关S打开,换路前电路已处于稳态,则换路后的( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/ec41b99f929a47699a281a55ef3c4d22.png
- 如图所示电路,换路前已处于稳态,t=0时闭合开关S。试求换路后(闭合S)t=0+时的i与uc()。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/053466736b334cee8618e15db8ff6f99.png
- 如图所示电路,换路前已处于稳态,t=0时闭合开关S。试求换路后(闭合S)t=0+时的i与uc( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/006bc2bbecc344e68c498e65823f46c6.png
- 图示电路中,已知电容初值储能为零,E=20V,R1=2R2=12kΩ,C1=C2=10μF, 换路后电容电压uC(t)为( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/8a138df3c74d4b6ca78cb91df1682793.jpg