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A parallel-plate transmission line is comprised of two perfect conductors of width w lying in the planes x = 0 and x = d. At z =z1 and the time t, the power flow is 8 kw and the electric and magnetic fields are 5000 V/m and 0.5T. At z =z1 and at the same time t, the power flow is 6 kw and the electric field is 4000 V/m.What is the magnetic field at z =z2 at the time t?
A large number, n, of closely spaced turns of fine wire are wound in a single layer upon the surface of a plastic sphere of radius, R, with the planes of each turn perpendicular to the axis of the sphere and completely covering its surface.
Assuming the material is GaAs, calculate the Quasi-Fermi levels if the injected carrier concentration is 2x1018 cm-3.You can use the effective mass approximation and consider only the heavy hole in the valence band.
where the assigned loop current leaves the voltage source. If current leaves the voltage source at its positive terminal, the voltage would be positive and if it leaves the voltage source at its negative terminal,the voltage would be negative.
Design an air-filled C-band (5-8 GHz) rectangular waveguide such that the center frequency of this band (f= 6 GHz) is at least 25% higher than the cutoff frequency of the TE10 mode and at least 25% lower than the cutoff frequency of the next highe..
First do this problem for a 5x5 board and the point charge on the center square. Next do it for a 7x7 square and the point charge on the center square. Write a computer program for 101x101 board. derive a general expression for an infinite chessboa..
Calculate the parameters RE and XE, and the maximum efficiency and power output for the transformer when a load with a 90% lagging power factor is connected to the transformer secondary winding.
A pn junction for which the breakdown voltage is 10 V has a maximum safe power dissipation of 0.5 W. a) What continuous current in the breakdown region will raise the dissipation to half the rated value
A listener increases his distance from a sound source by a factor of 4.11. Assuming that the source emits sound uniformly in all directions, what is the change in the sound intensity level in dB
Determine the range of values of K such that the system is stable for s(s²+4s+10)+ k (s+5)=0
Interface TTL logic to 120 VAC lamp. In this part of the lab, you will interface lowpower solid state electronics to the "outside world" by switching the 120 VAC lamp on and off using the AND gate from the previous experiment.
design a new p-type semiconductor material. Acceptor density is Na=5x1015 cm^-3 and there are no donors are present in the material. The effective densities of states for this material is given as Nv=1.8x10^19cm^-3
The relative dielectric constant of the printed circuit board (PCB) is 4 and the microstrip lines have a characteristic impedance of 80W. The length of the microstrip lines are 30mm and 45mm, respectively.
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