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Calculate the rate of heat loss per unit area in a S mm thick window glass when the exterior temperature is O°C and the room temperature is 20°C. Compare your result with the heat loss in an aluminum and a wood frame of 10 mm thickness. How can you decrease the heat loss through the window
Write an algebraic expression for S3, the forth sum bit of a binary adder, as a function of inputs x0, x1, x2, x3, y0, y1, y2, and y,3. Assume that c0=0, and do not attempt to "multiply out" or minimize the expression.
The tuning control is required to provide a uniform, linear change in frequency for a fixed rotation of the knob, e.g., 25 kHz per revolution at any operating frequency. You are considering three options for controlling the frequency
a) What is the name ofthe company he co-founded. b) How do the annualsales of this company in 2009 compare to the combined value of allof the corn and soybeans produced in Iowa in a typicalyear.
If each packet carries 1000 bitsof data, the distance between the sender and receiver is 5000km,link speed is 1Mbps, and the propagation speed is2x108 m/s. Assume no data or control frame is lostor damaged. Ignore transmission time for ACK.
A discrete-time random processXn is denoted as follows.A fairdie is tossed and the outcome k is observed. The process is thengiven by Xn=k for all n. a) Sketch some sample paths of the process
The lamp is then inserted in a DC circuit and it is noticed that as the voltage increases the resistance also increases. How do you explain this apparent contradiction with Ohm's law Why does the lamp resistance increase with voltage
What is the external applied magnetic field strength that must be applied to produce this internal field?
An alarm is powered by 120 VAC, and the on/off state of the alarm is controlled by an EM relay. Design the interface between a computer output port and the EM relay. The dropout voltage is 3.5 V, and the coil current needs at least 100 mA.
A series circuit consisting of a 0.398-henry inductor and a 212-µF capacitor is connected to a 125-volt variable frequency source. At what frequency will the circuit take a lagging current of 2.5 A a leading current of 2.5 A
Let X be a random variable uniformly distributed on [-2,2]. Define the random variable y=g(x), where g(x) { x+1 : x >= 0 { x-1 : x
Draw two separate angles, one a 30° acute angle and the other a 120° obtuse angle. Then draw a .5 in. radius arc tangent to the sides of each angle.
Obtain the power factor of a two-branch parallel circuit whre th efirst branch has Z1 = 2 + j4 ohms and the second Z2 = 6 + j0 ohms. To what value must the 6-ohm resistor be changed to result in the overall power factor of 0.90 lagging
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