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Prospective employees of an engineering firm are told that engineers in the firm work at least 45 hours per week, on the average. A random sample of 40 engineers in the firm showed that, for a particular week, they averaged 44 hours of work with a standard deviation of 3 hours. Are the prospective employees being told the truth?
Design the datapath that will add the value in register A to the value in any of the registers R0 through R3 and store the result back into any of the registers R0 through R3. The inputs to the datapath should be two-bit control signals src and de..
The amount of three phase power to be delivered in ‘kW' is equal to the total number of letters in your name (first name +last name) and the single phase power is 10% of three phase power. Assume same power factor for both types of loads.
Sketch the theoretical torque vs. speed characteristics for a series, shunt, and compound connected DC motor. Describe what will happen if a series motor is run under no load conditions. describe what will happen if a shunt motor experiences a lo..
A saturated npn transistor has a base to emitter applied voltage of 0.6V. The collector to emitter voltage is 0.2V. The collector current is 12mA
Develop a logic circuit whose output is high when the input has had three consecutive ones to the input. Overlapping threes are allowed. (e.g., x=011110110 then the output z=000110000 assuming starting state was 0).
A hollow spherical conducting shell of radius a has filamentary connections made at the top (r = a, θ =0) and bottom (r = a, θ = π). A direct current I flows down the upper filament, down the spherical surface, and out the lower filament.
A time varying capacitor is characterized by the charge- voltage equation q(t) = C(t)v(t)
Show mathematically that the spectrum of a sampled signal is a periodic version of the spectrum of the continuous-timesignal. Write the solution neatly into your learning journal.
A noninverting amplifier has a closed loop voltage gain of 11. What is the output peak voltage if the input is 2 V peak to peak?
Design a 3-tap FIR lowpass filter with a cutoff frequency of 1,500 Hz and a sampling rate of 8,000 Hz using a. rectangular window function b. Hamming window function.
2 coils are magnetically coupled. There are 2 possible conductance values when the coils are in series: 25 H and 23H. Calculate the value of coupling coefficient, K
design two decoding circuits that eash produces a high output when only four input lines A-D that have a specific value. The first circuit should have high output witha value of 5. and the second will have a 9. The chips i will be usinf is 7400 an..
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