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A clean, 15-%-efficient module (STC), 1 m2 in size, has its own 90% efficient inverter. Its NOCT is 44° C and its rated power degrades by 0.5%/° C above the 25° C STC.
a. What would its STC rated power be?
b. Find the kWh that it would be expected to deliver on a 15° C day with daylong insolation equal to 6 kWh/m2?
Audio and video signals are lossily compressed, but program and text files are not. Try to show the boundary between the two kinds of compression. Why is compression not always loss-free?
The full-load speed is 1750 rpm. Under no-load conditions, the speed is 1797 rpm, and the line current is 6.5A rms at a power factor of 30 percent lagging. Find the power loss and efficiency with full load, the input power with no load, and the sp..
you have three electric bulbs:100w,75w,60w. if they are in a series circuit and connected to a battery of E=10v, what are the electric voltage across each of them. the bulbs are designed to work in the u.s , that is the working voltage suppose to ..
Find the force exerted on a point charge Q1 by the point charges Q2 andQ3. Assume that Q1 =2.5[nC], Q2 = -12.0[nC], andQ3= -1.7[nC] are located at (0,-1,2)[m],(1.5,2,-1)[m],k and (-1,-1.5,2)[m], respectively.
i) Identify the PSK type and calculate the bandwidth if the modem is transmitting with 9600bps and 2400 baud. ii) Suggest a way to reduce the baud rate to 1200 baud and calculate the new bandwidth.
suppose the one dimensional field. A-=Kx ax- exist in a region. illustrate the validity of Gaussian theorem by evaluating its volume and surface integral inside and on the rectangular parallelelpiped bounded by the surfaces:
When this combination is connected across a battery, the current delivered by the battery is 0.330 A. When the 43.0 W resistor is disconnected, the current from the battery drops to 0.190 A. Determine the emf of the battery.
a) Find the value of the voltage source "E"that is required to provide a 10V across the 10kΩ resistor. What are the values of [V10k/E] and [V3.3k/V10k] b) Dtermine the amount of power supplied by the voltage source when E= 20V.
A counter uses flip-flops which have a 5 ns delay between the time the clock input goes from 1 to 0 and the time the output is complemented.
A steady voltage of 0.75V is applied to an op amp integrator having component values of R = 200 k and C =2.5 μF. Assuming that the initial capacitor charge is zero, determine the value of the output voltage 100 ms after application of the input.
Three zero mean, unit variance random variables X,Y, and Z are added to form a new random variable, W = X + Y + Z. Random variables X and Y are uncorrelated, X and Z have a correlation coefficient of 1/2
Along the way to the page, they pass into a region between two deflecting plates that are 1.6 cm long. There is a 1,500,000 N/C electric field between the deflecting plates. You measure the distance from the edge of the plates to the paper and fin..
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