中国大学MOOC: 用叠加原理求图所示电路中的电压U为()http://edu-image.nosdn.127.net/5B198247CBC3069F013B4565711448C0.png?imageView&thumbnail=890x0&quality=100
举一反三
- 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)
- 中国大学MOOC: 图示电路中,(a)图的电压源Us=20V时,U=8V。若将Us去掉并用短路线代替,如图(b)所示,试求图(b)电路的U= V。http://edu-image.nosdn.127.net/426E2798D8AD1AD38E20BBB925BA7F9D.png?imageView&thumbnail=890x0&quality=100 http://edu-image.nosdn.127.net/CC5774C33E28389284273447A6B8CA49.png?imageView&thumbnail=890x0&quality=100
- 图示电路中,(a)图的电压源Us=20V时,U=8V。若将Us去掉并用短路线代替,如图(b)所示,试求图(b)电路的U= V。http://edu-image.nosdn.127.net/426E2798D8AD1AD38E20BBB925BA7F9D.png?imageView&thumbnail=890x0&quality=100 http://edu-image.nosdn.127.net/CC5774C33E28389284273447A6B8CA49.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: 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