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Partial Differential Equation:
2u/x2 5(2u/y2) ey(u/ x) cos( x 2y)
is given on the rectangle <0,3>x<-3,3>, on it's boundary u=0.
a) Present a finite difference discretisation on the equidistant square mesh.
b) How many mesh cells (as minimum) are necessary so that the matrix is diagonally dominant,
c) Present the iterative algorithm (Gauss-Seidel) allowing to solve this system.
he real power delivered by a source to two impedances, Z1=3+j4 ohm and Z2=10 ohm, connected in parallel, is 1100 W. Determine (a) the real power absorbed by each of the impedances and (b) the source current.
You are flying in an ultra-light aircraft at a speed of 49.8 m/s. An eagle, whose speed is 16.0 m/s, is flying directly toward you. Each of the given speeds is relative to the ground. The eagle emits a shrill cry whose frequency is 3940 Hz.
In each of the three phases in a balanced delta- connected load is composed of a 10mF capacitor in parellel with a series-connected 470 ohm resistor and 4mH inductor combination, assume a phase voltage of 400 V at 50 Hz
can you solve the problems attached not all only the below numbers ltbrgt ltbrgtq 1 2 3 4 5 7 8 9 only a 10 ltbrgt
1. Determine the magnitude of the impedance inohms for a 65 mH inductor with excitation at 750 rad/s. 2. Determine the magnitude of the impedance inohms for a 80 mH inductor in series with a 80 ohm resistor.
Design a 4-bit "adder/subtractor/comparator" circuit with inputsand outputs. it will have as inputs a control input SUB/ADD' amdtwo four-bit two's complement numbers, A4-A1 and B4-B1. It will have as outputs a four-bit two's complement number S4 -..
The complex permittivity for bottom round steak is about epsilon = 40(1 - j0.3)*epsilon0(e0) at the operating frequency (2.5 GHz) of a microwave oven. What is the penetration depth
4. consider a three slab geometry where each slab carries a uniform charge density and has equal width w in the z
DC Load Line and Q-Point can only be located within the active region of a BJT. What are the boundaries of the active region. What characteristics of BJT determine this boundary.
For the PMOS, calculate the applied voltage and the electric field (at the Si-SiO2 interface) to make the silicon surface intrinsic. What is the depletion width in this case.
Design a 8x1 multiplexer using seven 2x1 multiplexers. Please label all signals clearly.
An induction motor has an output or shaft power of 30 kW at 86% efficiency. For this operatingcondition, stator copper loss = rotor copper loss = core loss = mechanical rotational losses. Determine the slip.
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