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At a substation the primary of a step-down transformer (turns ratio = 1:26) receives the voltage from the high-voltage transmission line. Because of your usage, a current of 48.0 mA exists in the pr
with karnaugh maps, find a minimal sum-of-products expression for each of the following logic functions. Indicate thedistinguished 1-cells in each map a) F = ΣA,B,C,D (1,4, 5, 6,11, 12,13,14,15
The delay is an integral multiple of slot time. The numberof slot times to delay before the nth retransmission attempt ischosen as a uniformly distributed random integer r in the range0<r<2^k,
our boss asks you to contruct a temperature sensorfor measuring the ambient temp outside (-30degreee celcius<= T<= 40 deg. c). You decide to base operation on the change inresistance accociate
Construct a plot ofsilicon resistivity versus impurity concentration at T = 300K.Include curves for both n-type and p-type silicon over the range of10^13/cm^3 <=NA or ND <= 10^20/cm^3.
∂Δnp/∂t = DN∂2Δnp/∂x^2 -Δnp/τn + GL is known as the minority carrier diffusion equation for electrons. (a) Why is it called a diffusion equation (b) Why is it
(a) An average hole velocity of 10^3 cm/sec results when 2 v is appliedaccross a 1 cm-long semiconductor bar. What is the mobilityof the bar (b) name the two dominant carrier scattering mechanisms i
Determine the EA or offset, if applicable from the addressing modes(i) Immediate, (ii) Direct, (iii) Register using BX, (iv) registerindirect using BX, (v) Register relative using BX, (vi) Basedinde
A 400-kV transmission line has a hot-weather power rating of1400 MVA. If the transmission line is operating in cold weather, itis rated for 2200 MVA (at 400 kV). The transmission line is undercold w
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 capac
a) what is the order of this approximation b) Suppose |f(x) - g(x)| < = for all x show that anappropriate of h ( in terms of ) lead to |f'(x)- Eh g(x)| <O = (?μ) where μ>0 is as
Calculate the percentage of electricity generation by these fuel-cell systems compared to the annual electricity generation in the U.S. of 3.8x109 MW-hrs
given appositive number α, determine the constants A,B,C such that the iteration converges locally to 1/α with orderp= 3. (this will give a cubically convergent method for computing the
Select two different applications that use electrical wiring.
Determine the maximum and minimum values of the magnitude response. How many peaks occur in the magnitude response in the frequencyrange from zero to 2π What are the locations of the peak and dip
Find the value for required Q for the first filter.
Explain the difference between TDM and TDMA.
The equation y[n] - p y[n-1] = x[n] can be used to describe thevalue y[n] of a new investment by setting p = 1 + r/100 where r is the interest rate per period, expressed inpercent.
Describe what causes the human body to have resistance and what factors can affect the resistance of the human body.
Phase distortion - the phase response is not linear with frequency inside the frequency band of interest. Different frequency components are subject to different delay in passing through the system.
1. Calculate SNR(dB) given a noise specification of 680nV
(a) If E=Exax andH=Hyay, begin with Maxwell's equations anddetermine the second order partial differential equation that Ex must satisfy. (b) Show that Ex=E0 cos (ωt-βz) isa solution of th
A 10kW, 230V, 50 Hz, three-phase induction motor has full-loadefficiency of 86%, and power factor of 88%. It is supplied by a three-core cable 100mlong, having conductors of cross sectional area 16
Two infinite sheets of charge lie parallel to each other, separatedby a distance d. The upper and lower sheets have surfacecharge densities ρsa andρsb[C/m2], respectively. find the voltage V
If point charges of value +2[nC] are located at the pointsP1(2,2,-1)[m]and P2(1,-2,1)[m],respectively, find the voltage Vab betweenpoints Pa(2,3,1)[m] and Pb(-1,2,2)[m] by using superposition princ