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Given the following voltage and current expressions, show the expression for the voltage across R2 in the circuit Note, R1=100 ohm, R2=300 ohm, and R3=200 ohm: a) v(t) = 10 cos (377t + pi/4) V b)
A three phase abc sequence wye connected source with Van=220<0degrees Vrms supplies power to a wye connected load that consumes 50 kW of power in each phase at a pf of .8 lagging. Three capacitor
Design an operational amplifier cicuit that has the following specifications: Gain=-3; Input impedence>20 kohm You have unlimited number of resistors of values 1,2,5, and 10 kohms and LM741 op am
a 10 hp, 230v , 1200 rpm dc series motor draws a current of 36 A when its under rated voltage at its rated speed Ra = 0.2 Rf = 0.1 a) find the speed of this motor when its taking a current of 24 A. b
Give an example of an RC circuit whose transient behavior cannot be modeled by having a function generator with square wave output replacing the mechanical switch.
Consider a p-type Si sample with a resistivity of 0.5 cm. The doping level is uniform throughout. In a certain portion of this sample, there is an electric field of a magnitude 1000 V/cm.
A cloud company has 20 computers total. Out of the 20 computers, 9 run web servers and 12 host databases. Furthermore, 8 machines offer file sharing. Note that a particular machine can offer multipl
An engineering firm consisting of 3 programmers and 6 circuit engineers. The employees are randomly assign to 3 teams of 3, labeled Group 1, Group 2, and Group 3. a) How many ways are there to assig
A circular polarized wave in air is incident on glass surface. The angle of incidence equals the Brewster angle. Refractive index of glass, n(glass) is 1.35. Find the following quantities: 1) The Br
A rectuangular coil having area 5 X 10^-4 m^2 and 60 turns in pivoted about one of its vertical sides. The coil is in a radial horizontal feild of 90 G. What is the torsional constant of the hair sp
Incremental Update. Typically, after every hop at least one packet header field (e.g., a packet's time-to-live field) needs to be overwritten. Because the checksum is a simple complement of a 1s co
List three standard socket calls that you would expect every connection-oriented server to invoke that would not normally be invoked by any client. Briefly indicate why a typical client would not ne
Interface TTL logic to 120 VAC lamp. In this part of the lab, you will interface lowpower solid state electronics to the "outside world" by switching the 120 VAC lamp on and off using the AND gate f
Derive the three-term error correction formula. Include the appropriate signal flow graphs in all of your derivations. Hint: The one-term and both two-term error models are simplifications of the thre
For a complex load of 30 - 50 j ohm. find the matching circuit consist of ideal capacitor and/or inductor to match the load to 50 ohm impedance at 2GHz. The solution should include circuit schematic
A sinusoidal voltage source given by V(t)=100cos100pi*t V is applied across a 50-ohm resistor. (a) Plot v(t) to scale versus time. (b) Find the instantaneous power and plot it to scale versus time. (c
A design problem: As we said earlier, the backbone of any design is ‘thorough analysis' of the problem or circuit at hand. We have analyzed above the voltage divider circuit. Utilizing the abo
A double slit illuminated with light of wavelength 498 nm forms a diffraction pattern on a screen 45 cm away. The slit separation is d = 4196 nm. What is the distance fx between orders m = 17 and m
Discuss why phasor analysis can only be performed on single-frequency circuits. For multiple frequencies what type of analysis must be performed.
If the thickness of gate oxide for a MOS transistor is about 100A, about how many SiO2 molecules, on average, are stacked on top of each other to form the gate oxide
It is necessary to determine the specific heat of an unknown object. The mass of the object is 170.0 g. It is determined experimentally that it takes 20.0 J to raise the temperature 10.0° C. Fin
Many reactors are sited next to large bodies of water so that they can use the water for cooling. Consider a reactor where the intake water is at 18° C. State regulations limit the temperature o
A rigid container holds hydrogen gas at a pressure of 3.0 atm and a temperature of 2.0° C. What will the pressure be if the temperature is raised to 10° C
A 500 line/mm diffraction grating is illuminated by light of wavelength 510 nm. How many bright fringes are seen on a 2.0 m wide screen located 2.0 m behind the grating
A 5.00 cm thick layer of oil is sandwiched between 1.00 cm thick sheet of glass and a 2.00 cm thick sheet of polystyrene plastic. How long (in nano-seconds) does it take for light incident perpendic