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1) A common energy consumption for a family is about 1000 kW hr / month. How much power would that be on the average? (Hint: Notice that hour and month are both units of time so kW hr per month is really a power unit. Assume 24 hr = 1 day and 30 days = 1 month.)
2) If a power substation receives about 1.5 MW through its incoming cable (ignore line losses), about how many families can this cable service?
3) What factors affects the power consumption of a typical family? How would an electrical engineer plan for these factors in their design?
Suppose you want to build a simple RS flip-flop that is set and reset by negativegoing pulses. All you have are two 2-input AND's and two 2-input NOR's. Show how you would build this odd circuit from the available material.
Suppose that we wished to match an admittance using a double-stub tuner where the stubs are lambda/4 apart. For what range of admittance values can
A discrete periodic signal shows the signal characteristics in one period as below. find the Fourier Series (FS) of this signal in frequency domain. write down in detail of your procedures. 1; n=1 0; n=0 x[n]{ -1; n=1 1/2; n=2 3; n=3.
Briefly explain your ideal job as electrical engineer? Why did you select this career? What goals do you have in this career? How do you plan to get these goals?
A 60 Hz, three-phase, transposed transmission line has the following parameters: Z = 13.114+ j52.952, Y = j0.311/1000. The sending-end line-to-line voltage is 161 kV. The total receiving-end load is represented by ZL =143 with an angle
Hand calculate the expression for the voltage and current of the capacitor and plot these equations by using MATLAB and calculate the time constants of each circuit and point out this time constants at your voltage graphs.
if Eb the energy per bit of a binary digital signal, is 10^-5 watt-sec and the one sided power spectral density of the white noise ,N0= 10^-6w/hz then what is the o/p SNR of matched filter.
What are the main differences between MS antennas and BS antennas. List the antennas used at mobile stations and describe the construction and characteristics of one of them in detail.
Compute the amount of time required to deliver 10 frames to the receiver with stop-and-wait flow control. Assume that all frames and ACKs are received correctly.
To familiarize yourself with the Internet Standards, search the Internet for the IETF RFC website. Using the information you find on this site, answer the following questions: Identify four types of Internet standards.
Use this table of part c to determine the mean, median, and mode of the grouped data. Compare your results with those in part A, and comment. E. use the frequency table of part C. to determine the variance and the standard deviation of the groupe..
Discuss these possible reasons, indicating which are the most important: The field is so young; such different needs; there are so many types of systems; and people with widely different backgrounds are developing.
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