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For a coaxial line with inner conductor radius a and outerconductor radius b, V = V0 at ρ = a and V = 0 atρ = b. Find the potential distribution by solving Laplace'sequation. Also find capacitance per unit length.
An AM modulator is operation with an index of 0.4. The modulation input is: m(t) = 4cos (3πfmt) + 2cos (5πfmt) + 4cos (7πfmt) What is the efficiency of the modulator Sketch the spectrum of the modulator output showing the weights of all impulse funct..
Describe the characteristics of the series RC filter circuit with the outpu across the resistive component. Distinguish the pass and stop bands with reference to the cutoff frequency. Also state what happens to the circuit complex impedance at the..
The total admittance for the following circuit is Hint: YT = G + j[Bc - BL] Siemens; G = 1/R Siemens; Bc = wC Siemens and BL = 1/[wL] Siemens Data: Vin AC = 10 sin 1250t, R = 100, C = 4UF, L = 80 mH
Assume that the load is star connected with the neutral disconnected. Each phase has a series RL load with R = 5 ohms and L = 20 mH. Plot the neutral voltage Plot the phase to neutral voltage for phase a.
For the system described by the following equations, with the input x(t) and output y(t), determine which are invertible systems and which are noninvertible. For the invertible systems, find the input-output relationships of the inverse system.
A THREE PHASE, Y-CONNECTED, 60Hz, TWO POLES SYNCHRONOUS MACHINE HAS A STATOR WITH 5000 TURNS OF WIRE PER PHASE.WHAT ROTOR FLUX WOULD BE REQUIRED TO PRODUCE A TERMINAL (LINE-TO-LINE) VOLTAGE OF 13.2kV
Are these signals periodic, find their fundamental period T and their fundamental frequency, otherwise prove that they are non-periodic 1) x(t)= 4 cos(12 t+40) + sin(16 t) 2) x(t)=cos4t +3e-j12t
1. ) calculate the consumption of energy , taken from WAPDA, solar panels etc. 2. ) Transfer this data wirelessly to the grid station Please provide some ideas to implement this and list of components.
An nMOSFET and pMOSFET are fabricated with substrate doping concentration of 6x1017/cm3. The gate oxide thickness is 5 nm. (a) Find Vt of the nMOSFET when n+ poly-Si is used to fabricate the gate electrode.
Find the longest allowable evaluate time if the decay in output voltage is to be limited to .2V. If the precharge interval is much shorter then the maximum allowable evaluate time, find the minimum clocking frequency required.
In a DSB-SC amplitude modulation system, the message signal is m(t)=e^-3t*u(t-2) and the carrier signal is cos(2000pi*t). Find and sketch the Fourier transform of the modulated signal.
A Wheatstone bridge circuit has resistance arms of 400, 40, 602, and 6000 ohms taken sequentially around the bridge. The galvanometer has a resistance of 110 ohms and is connected between the junction of the 40- and 602-ohm resistors
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