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A homogeneous wire is bent into the shape shown. Determine by direct integration the x coordinate of its centroid. Express your answer in terms of a.
give the definition of electrical circuit. draw the simplest electrical circuit and mark the directions of electrical values in it and ohms law. what are the main and the additional elements of the electrical circuit and that are the purpose.
afigure q1.1 illustrates a three-phase power system in which an ideal three-phase ac generator with an abc phase
view an electrical substation that delivers power to a manufacturing plant, you notice large boxes with two terminals connected by wires to the substation network. What might be one function of these large boxes
Dynamic RAM that must be given a refresh cycle 64 times per ms. Each refresh operation requires 150 ns. memory cycle requires 250 ns.
Suppose the one dimensional field A=Kx.ax exist in a region. Illustrate the validity of Gaussian theorem by evaluating its volume and surface integrals inside and the rectangular parallelepiped bounded by surface: x=1,x=4,y=2,y=-2,z=0,z=3
Write a matlab function to generate Gray coding matrix. The function has one input M where M=2^m and m is the number of bits per symbol. For example, if the function my_graycoding(4), the output should be
Two stations running TCP/IP are engaged in transferring a file. This file is 104KB long, the payload size is 100 bytes, and the negotiated window size is 2000 bytes. The sender receives an ACK 900 from the receiver.
An ac circuit with 4.157kv 60hz with a load of 2880 kva load and pf=.8 lagging find all the currents (6 total), also draw the diagram.
The field current of a 200kW, 230V shunt generator is 8A. When running full load at rated voltage. If the combined brush contact and armature resistance is 0.03 ohms. Determine the power generated and the electrical efficiency.
Two generators are connected in parallel to the same bus bar and each has an inductive reactance of 10% on rating. Generator 1 is rated 2,500 kVA and 2.4 kV, and generator 2 is rated 5,000 kVA and 2.4 kV.
A silicon diode has a doping profile such that ND = ax3. What is the depth of the junction assuming the p side is uniformly doped with NA per cubic cm. Assume the x origin is at an ideal ohmic contact on the n side of the diode.
The armeture leakage reactance is 0.10 per unit on the generator rating as abase. Find(a) the unsaturated value of the synchronous reactance inohms per phase and per unit, (b) the short-circuit ratio, and (c)the saturated reactance in per unit and..
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