中国大学MOOC: 下面两个电路的NR相同,则图(b)中 R= Ω。http://edu-image.nosdn.127.net/4901ED8763B1A093F0FB9262349BAA7B.png?imageView&thumbnail=890x0&quality=100 (a) (b)
举一反三
- 中国大学MOOC: 下面两个电路的NR相同,则图(b)中 I= A。http://edu-image.nosdn.127.net/09B15855F8645FCCE84C182518BE1F83.png?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 图(a)的诺顿等效图如图(b)所示,则图(b)中 Io= A,Ro= Ω。http://edu-image.nosdn.127.net/4018D75B6550915CDE33EED39E870551.png?imageView&thumbnail=890x0&quality=100 http://edu-image.nosdn.127.net/6325E7C7A0214BF71330DC72B2EECCDE.png?imageView&thumbnail=890x0&quality=100 (a) (b)
- 中国大学MOOC: 图(a)的戴维南等效图如图(b)所示,则图(b)中Uo= V,Ro= Ω。http://edu-image.nosdn.127.net/50E9EF209369F32D684FAE0A941D9CDC.png?imageView&thumbnail=890x0&quality=100 http://edu-image.nosdn.127.net/E3F6E50E9BBB665D9D085C2689D2F094.png?imageView&thumbnail=890x0&quality=100 (a) (b)
- 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
- 中国大学MOOC: 图示电路中,用戴维南定理求图(a)中电压U。图(a)的戴维南等效图如图(b)所示,则图(b)中 Uo= V,Ro= Ω。http://edu-image.nosdn.127.net/63BE3D3BC52F9B4AEC67DDC5AEAAC594.png?imageView&thumbnail=890x0&quality=100 http://edu-image.nosdn.127.net/80387FE5DC15A8D04B752346C5E762A1.png?imageView&thumbnail=890x0&quality=100 (a) (b)