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3D circular waveguide in cylindrical coordinates. Create a simulation space for a circular waveguide in 3D cylindrical coordinates. Let the radius of the waveguide be 2.7 cm, and design it for a frequency of 10 GHz. Excite the waveguide at one end with a hard source at a frequency of 10 GHz, where the source field is defined along a line through the cross-section of the waveguide. Plot a snapshot of the field patterns a few wavelengths down the waveguide; what modes exist in this waveguide? Repeat for frequencies of 8 GHz and 12 GHz and compare the results.
Consider the function f which has four inputs a,b,c,d and one output such that the output is a 1 if and only if the number of 1s in the inputs is even. (a) Write the canonical product-of-sums expression for f. Do not use the shorthand notation
An n-channel MOSFET has a thershold voltage (Vt) of 0.5 V and a width to length ratio (W/L) of 2. If the tansistor generator the curve bleow when the gate to source voltage (VGS) is 1.5V. I D = 0.12mA. VDS = 0.5 V.
The weights of copper grains are hypothesized to follow a lognormal distribution, which implies that the logarithms of the weight measurements should follow a normal distribution.
A series-parallel circuit contains both series and parallel connections in different arrangements. Do you find it useful to isolate the parallel sections and calculate their resistance first
For the series-parallel network of given figure: - Calculate ZT, Determine I, Determine I1, Find I2 and I3, and Find VL.
1.5V battery. Design a voltage divider to provide a voltage that is approximately 1/3 of the battery voltage. Use resistances in the kilo ohms range. Redesign your divider so that the resistors are in Mega ohms range.
The output of the FM modulator is sFM(t) = 10cos[400πt + 2πkf] where kf = 10. If the output of the FM modulator is passed through an ideal BPF centered at fc = 2000 with a bandwidth of 62 Hz, determine the power of the frequency components at the ..
A separately excited DC generator,when running at 1200 RPM, supplies 200A at 125V to a circuit ofconstant resistance. What will the current be when the speed is dropped to 1000 RPM if the field current remains unchanged
a) Developed an analytical expression for |Vout/Vin|, where Vout is the voltage across the combination impedance R2||C2, and Vin is the voltage. b) For w0^2 = 1/(R1R2C1C2) (the center frequency), develop an expression for the maximum value of |Vout..
Calculate the carrier concentrations and the type of semiconductor if a pure silicon crystal at 300K is doped with 2.5×10^13 cm-3 boron atoms.
Fuel Cell produces current by using H2. Anode reaction: H2-->2H+ + 2e- Cathode reaction: 4e- + 4H+ +O2 --> 2H2O. The rate at which Hydrogen enter the fuel cell is given as 5 L/min. The temperature is constant at 300K.
Calculate permanent, temporary and total hardness in term of CaCO3 equivalents.
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