题4-4-4、下图电路中与X结点相关联的极点频率为（）。http://edu-image.nosdn.127.net/73D881979EE724F6BEA3DEEDA938791E.png?imageView&thumbnail=890x0&quality=100

2021-04-14

答案：

http://edu-image.nosdn.127.net/268CF61603BAD581C2AB1CB9CB19E27A.png?imageView&thumbnail=890x0&quality=100

0
下图电路中，如果uI为三角波，则uo为（）。http://edu-image.nosdn.127.net/64536669C0AA7D1D51E435B972A57222.PNG?imageView&thumbnail=890x0&quality=100
1
中国大学MOOC: 下列取代羧酸中酸性最强的是（）。http://edu-image.nosdn.127.net/7C237BDF245EC393A5506C4874523609.png?imageView&thumbnail=890x0&quality=100、http://edu-image.nosdn.127.net/EFA954264582A372C3C9085E40BE80E9.png?imageView&thumbnail=890x0&quality=100、http://edu-image.nosdn.127.net/926CD4F17B92218A7FF5D06D34C5CAAF.png?imageView&thumbnail=890x0&quality=100、http://edu-image.nosdn.127.net/6504083F25D32BC8A95C11AC770935E2.png?imageView&thumbnail=890x0&quality=100
2
判断下图电路的交流负反馈组态（）http://edu-image.nosdn.127.net/CAF4906CB34A01C2B1A89C5D4259E413.png?imageView&thumbnail=890x0&quality=100
3
The output frequency is下面电路输出信号频率为http://edu-image.nosdn.127.net/28318027F198B30539E29E472009E27A.png?imageView&thumbnail=890x0&quality=100
4
中国大学MOOC: 下图中，若http://edu-image.nosdn.127.net/3CC508F9AB3640FC7B4FC8A56BCC3C4A.png?imageView&thumbnail=890x0&quality=100，http://edu-image.nosdn.127.net/1E98E4093ED9A9CF99D5410CB4F9E5FC.png?imageView&thumbnail=890x0&quality=1000011，求http://edu-image.nosdn.127.net/C431073D6B6C788B674E11D5E7EA9B8F.png?imageView&thumbnail=890x0&quality=100（）。http://edu-image.nosdn.127.net/3F2606B33B97941F5DFADC9F32BD58AD.png?imageView&thumbnail=890x0&quality=100