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Sketch an sc unit cell with lattice constant a=4 angstroms,whose diatomic basis of atom A is located at the lattice sites, andwith atom B displaced by (a/2,0,0). ASsume that both atoms have thesame size and we have a clse packed structure, or nearest neighboratoms touch eachother. calculatea) the packing fractiong (fraction of the total volumeoccupied by atoms)b) the number of B atoms per unit volumec) the number of A atoms per unit area on (100) planes
A control system is needed to control a small shopping center parking lot lighting system and the exterior lighting for the building. The design specifications require that the parking lot lighting and the exterior lighting turn on at dusk automat..
Two Parallel single-phase loads are supplied by a 480 volt RMS, 60 Hz, source. The two loads are: Load 1 : 15.0 kW at .6 lagging p.f. Load 2 : 25.0 kVA at .8 lagging p.f. 1) the combined real power drawn y the loads in Kilowatts
Design it to give an output that is 1/3 of the supply voltage. Furthermore, neither the power ratings of the resistors nor the current rating of the supply are to be exceeded. The voltage output of the divider must not change by more than 1% when ..
An 80 kHz sinusoidal voltage has zero phase angle and a maximum amplitude of 25 mV. When this voltage is applied across the terminals of a capacitor, the resulting steady state - state current has a maximum amplitude of 628.32 microamps.
This solution shows how to work from a given circuit implementation (a J-K flip flop circuit design) to derive the Boolean Logic and in so doing so simplify such logic using Boolean Algebra rules
calculate the short-circuit current of a three-phase delta-wye connected transformer if the short circuit occurs between phase A and the neutral at the low voltage side, and the transformer is supplied by a 13 kV line-to-line voltage.
a beam of polarized light of intesity I0 passes through a sheet of ideal polarizing material. The polarization axis of the beam and the transmission axis of the sheet differ by 30 degrees. What is the intensity of emerging light
Sketch the appropriate equivalent circuit and phaser diagram and, assuming step-down operation, determine (a) the magnetizing current and the core-loss component of exciting current; (b) the exciting current; (c) the no-load power factor; (d) the ..
The message signal x(t), in the following system has a nabdwidth of 10kHz. The center frequecy of the Narrow Band Frequency Modulated (NBFM) signal nbfm(f) is 1Mhz, the frequency deviation f1=1khz and the amplitude of the NBFM signal is 1V.
a) The number of turns on its high side. b)The turns ratio when it is used as a step-down transformer. c) The turns ratio when it is used as a step-up transformer.
A discrete-time LTI system has the impulse response h[n]. Use linearity and time invariance to determine the system output y[n] if the input is h[n]={-2:n=-1, 3:n=0, 2:n=3, -4:n=5}
If gasoline has a 120,000 Btu/gal energy content, and an average tank fill up requires 15 gallons over a 5 minute period, what is the equivalent energy flow rate (or power) in Megawatts in chemical power flowing through the nozzle per fill up
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