点击切换搜索课件文库搜索结果(3452)
文档格式:PDF 文档大小:33.27KB 文档页数:1
1 At a frequency of 796 Hz, compute Zo,u and for a line having the following parameters: F2230 u H/km,=0.0055 u F, r-6./km, g negligible. 2 At certain frequency, transmission line has Zo=5560°andy=0.005+j0.03np/km The line is 60 km long. A sinusoidal voltage of 100V at the specified frequency is applied to one end. Find:
文档格式:PDF 文档大小:37.53KB 文档页数:2
I Consider the graph shown in Fig. 15-15. Denote the tree made up of b 6, bs, and b, by t (a)Find all the fundamental loops of this graph corresponding to T (b) Find all the fundamental cutsets of this graph corresponding to t (c) Write the incidence matrix of this graph choose n 4 as the datum
文档格式:PDF 文档大小:59.32KB 文档页数:3
sequence. The balanced source supplies IMW and 0.2M VAR. If R, =12, find: (a) the line current;(b)Zp; ()the transmission efficiency
文档格式:PDF 文档大小:79.17KB 文档页数:3
Find the four Y parameters of the network shown in Fig
文档格式:PDF 文档大小:56.79KB 文档页数:3
Let vs=100 cos a t V in the circuit shown in Fig. 9-12.(a) Find the equivalent parallel RLC circuit and then determine resonant frequency @r, Q, and v(t).(b) Find i, (t),i2(t), and i3(t) (c)Calculate the average power loss in the 10 kQ2 resistor and the maximum energy stored in the inductor
文档格式:PDF 文档大小:66.83KB 文档页数:3
(a)Find V, in Fig. 8-20.(b)To what identical value should each of the 4Q2 resistors be changed so that V2 is 180 out of phase with the source voltage?
文档格式:PDF 文档大小:60.41KB 文档页数:3
1 The switch in Fig.5-27 is opened at=0, Find i (0*) and v (0*) 1kΩ D100v 1k2 Fig. 5-27 For prob.1. The switch is closed at= 0 in Fig.5-28. Find i(*) and ic(0*) if the capacitor is initially
文档格式:PDF 文档大小:61.86KB 文档页数:3
I Writing nodal equations by inspection determine v, in each circuit of Fig 2-32 6 A
文档格式:PDF 文档大小:52.07KB 文档页数:3
Basic Circuit Theory ChpterI Problems 1 For the circuit of Fig. 1-26 find: V, i, and the power absorbed by the load
文档格式:PPT 文档大小:16.5KB 文档页数:1
In the chapter we first shall consider the nodal analysis and introduce the networks containing dependent sources. In addition later in the chapter we shall consider state(状态)- variable analysis
首页上页337338339340341342343344下页末页
热门关键字
搜索一下,找到相关课件或文库资源 3452 个  
©2008-现在 cucdc.com 高等教育资讯网 版权所有