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Capacitance can be altered by bringing the two wire line close to ground.
(a) Apply the method of images to determine the Capacitance of the two-wire line, where the lower wire is suspended a distance from the PEC ground.
You must explain the steps you take to obtain the final equation. In other words, just giving me the final equation gets you zero points. Clearly label any images you have used and their distances from relevant points and clearly AND LEGIBLY show how these enter into the equation.
(b) For a sanity check let a=1m and calculate and compare the capacitance of the two wire line floating in space and placed above the ground.
Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
Discuss whether this is still true today, and what factors are moving wireless NICs into a more dominant role, if any.
assuming k>0 what is steady state the response of the above system due to an input of the form , x(t) = 2sigma(t)+u(t). where sigma(t) denotes unit impulse function and u(t) denotes unit step function
An abrupt p-n junction has a doping concentration of 1015, 1016, or 1017 cm-3 on the lightly doped n-side and of 1019 cm-3 on the heavily doped p-side. Obtain series of curves of 1/C2 versus V, where V ranges from -4 to 0V in steps of 0.5V.
Select an appropriate QAM signal constellation, carrier frequency, and the roll-off factor of a pulse with a raised cosine spectrum that utilizes the entire frequency band. Sketch the system block diagram and the spectrum of the transmitted signal..
A person shuffling across a dry carpet can be approximately modeled as a charged 100-pF capacitance with one end grounded. If the person touches a grounded metallic object such as a water faucet, the capacitance is discharged
Give an example of an RC circuit whose transient behavior cannot be modeled by having a function generator with square wave output replacing the mechanical switch.
Consider unsteady diffusion across a membrane of thickness L. Initially, the concentration of solute in the membrane is zero. At time zero, the concentration at x=0 is raised to C0 and the concentration at x=L is maintained at zero.
A band filter has the following specs: Center frequency: 1500 Hz Bandwidth: 200Hz Chebyshev filter with a passband ripple of 1 dB 20-dB attenuation of te stopband gains at 1200 HZ and 1800 HZ. Determine the order of the lowpass prototype function.
determine the transfer function of a 4th order lowpass butterworth filter with a 3-dB cutoff frequency of 3.4 kHz and passband gain=1. Design the circuit using MFB topology. Design two sections with an order of 2.
Assume that capacitor is completely discharged when t
Are the systems stable For functions above, determine the steady state response for a step input. Determine the natural frequency , and the damping ratio and sketch the step response.
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