Reference no: EM13227138
1) three phase power system has a 220 V line-to-line voltage. what is most nearly the line currents ?
2) three phase delta system has line to line cuurent of 4.5 A. What are most nearly the line currents ?
3) a parallel circut has a resistance of 20 ohm a capacitor of 20 uf and inductor of 20 mH . the circuit operataing at 60 Hz . what is the the paralel impednace ?
4 ) a transformer has an rms voltage input of 440 V and rms current input of 4 A . the secondary load dissapates 1600 W . the is nearly the percentage of effeciency ?
5) LC circuit has value of L= 22uH and C = 100 pf . what is the resonant frequency in Hz?
6) series RLC circuit has value of R = 10 ohm , XL= 6 j ohm, Xc =9j ohm , the circuit is driven by sinisoidal source of v(t)= 12 V . what is the peak current ?. including the current phase angle ?
7) A power system operates at rms voltage of 440 V and rms current of 3.5 A .the current lags the voltage by 12 degree. what is the reactive power ?
8) A power system operates at rms voltage of 440 V and rms current of 3.5 A .the current lags the voltage by 12 degree. how much power deleivered to the load ?
|
Describe five potential challenges to starting
: You are planning to begin a new business providing legal consulting services to the technology industry. Name and describe five potential challenges to starting this new business.
|
|
How the gps could be used for the propagation of signals
: Build a C++ code for vehicle sensing device. Code is required to embed in the device so that then it must sense the location where the vehicle is currently present. The device must be able to track the location of the vehicle for its owner
|
|
Determine what is the phase angle in degree
: an electric motor has an armture constant of 140, a flux of 25 mwh, an armuture current of 30 A , and a rotatio?nal speed of 1600 rpm. what is most nearly the power output in watt
|
|
Identify how a marketing manager might realize
: Assume you are marketing manager for target or another brand. How would you apply the four functions of the marketing managermemnt process in your role? In you answer, identify how a marketing manager might realize when it is time to focus on one ..
|
|
Determine how much power deleivered to the load
: 1) three phase power system has a 220 V line-to-line voltage. what is most nearly the line currents 2) three phase delta system has line to line cuurent of 4.5 A. What are most nearly the line currents
|
|
Write a short informal essay
: What can an image like this one tell us about society in seventeenth-century Holland and find a photograph that you believe does similar representational work and perform your own analysis.
|
|
What is the inventory turnover for the hamburger patties
: Assume that the hamburger patties cost $3 a pound. What is the inventory turnover for the hamburger patties? On average, how many days of supply are on hand?
|
|
How many kanban card sets are needed
: Due to variations in processing times, management has decided to keep 20 percent of the needed inventory as safety stock. How many kanban card sets are needed?
|
|
Compute the total pressure of the mixture
: A mixture containing 2.37 g each of CH4(g), C2H4(g) and C4H10(g) is contained in a 1.50 L flask at a temperature of 45°C.
|