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a capacitor, an electric resistance heater, and an impedance are connected in parallel to a 120 volt, 60 Hz. system. the capacitor draws 50 VARs, the heater draws 100 watts and the impedance coils draws 269 VA at a power factor of 0.74 lagging. determine the system power factor?
write a program to compute the power loss in a transmission line with a resistance of .05ohms/mile. compute the power loss if 500kw of power is transmitted from a power generating station to cities at distances of 20, 30, 40, 50,...100 miles at 10..
A somewhat discharged automotive battery has an open-curcuit voltage of 12.5 V and supplies 50 A when a 0.1 ohm resistance is connected across the battery terminals.
The steady state solution of stable systems is due to simple poles in the jO axis of the s-plane coming from the input. Suppose the transfer function of the system is: H_ (s)= (Y(s))/(X(s)) = 1/([(s+1)^2]+4))
Design a human body temperature indicator system for a hospital bed. Your system takes an 8-bit input representing a person's body temperature,which can range from 0 to 255. If the measured temperature is 95 or less, set output A to 1.
1. Choose a sampling rate of Fs = 40 kHz. 2. Create a vector t of 32768 time-sample points spaced according to this Fs, starting at 0 seconds. 3. Compute a vector x of 32768 samples of a 5400 Hz sinusoid with amplitude of square root of 2.
If you have 16 kibibytes of memory plus a few (less than 10) memory mapped devices (assume that each device uses 16 bytes of address space), what should the address size be
1- Write a function that shows you how to calculate F(x) = 0.1X^2+5Y^3 2- Read and write a File that has a set of 10 numbers. Then assign those numbers to an array.
Three identical single-phase transformers, each rated at 100 kVA, 7 kV/3.5 kV, are connected as a three-phase transformer bank. The high-voltage side of the transformer is connected in delta and the low-voltage side is connected in wye.
A random variable X has a variance of 9 and a statistically independent random variable Y has a variance of 25. Their sum is another random variable Z=X+Y. Without assuming that either random variable has a zero mean
Light Traveling an optical fiber (n=1.44) reaches the end of the fiber and exists into air. Answer the following questions: a. if the angle of incidence on the end of the fiber is 25 degress, what is the angle of refraction outside the fiber
In a pseudo NMOS inverter design the maximum Vol = 0.1 V. If VDD = 2.5 V, IVtI = 0.4 V, unCox = 4 upCox = 100 uA/V^2 , (W/L)n = 0.375 um/0.25 um, find: 1. The value of (W/L)p 2. Is it a maximum or a minimum value for the design.
Describe the how the Hall Effect it is used to measure whether a semiconductor material is n-type or p-type. Sketch a diagram and show the critical measurements.
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