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A south-facing collector at latitude 40%u25E6 is tipped up at an angle equal to itslatitude. Compute the following insolations for January 1st at solar noon:a. The direct beam insolation normal to the sun's rays.b. Beam insolation on the collector.d. Reflected radiation on the collector with ground reflectivity 0.2.
A 3-phase 230 V, 9 kVA, 0.9 PF (lagging) load is supplied by 10 kVA, 1330/230 V, 60 Hz three-phase transformer connected in Y-?. The equivalent impedance of transformer referred to the low-voltage side is 0.12 + j0.25.
very useful not only in obtaining the rectangular and polar forms of complex numbers
An ADSL signal uses 250 channels, each of 4 kHz bandwidth. Assume the maximum signaling rate to be 1 symbol/Hz. QAM is used within each channel with up to 64 point constellations. What is the bit rate/channel
The feedback capacitance of an inverting amplifier is 10pF. What is the Miller capacitance at the input if the gain of the amplifier is -120 What is the Miller capacitance at the output of the amplifier
Design a combinational circuit that can detect whether a pattern of at least three adjacent 1s occur anywhere in an 8-bit input, and that outputs a 1 in that case. The inputs are a , b, c, d, e, f, g, and h, and the output is y.
Current and average power delivered to the load, A load has a 20 ohm resistor and a 4 henry inductor connected in series. It is connected to a power source with v(t)= 100cos50t
Write a c program that reads in ten integers from the user on a single line, and determines and prints the largest and the smallest integers in the group. If either the largest or smallest integer is a prime number, have your program indicate this..
Suppose you are designing a power amplifier for a loudspeaker which has an equivalent resistance of 150 . What should be the Thevenin equivalent resistance of the power amplifier in order to maximize the power transfer to the loudspeaker
The system contains a door sensor, a window sensor, and a key activation switch. If the switch is on, opening the window will set off the alarm immediately. Opening the door will start a 30 second timer.
A 1000V, 50 hp compound motor runs at a speed of 750 rpm at full load. The armature, series and shunt field resistances are 0.5 ohm, 1 ohm, and 200 ohm, respectively. The motor efficiency at this condition is 80%. Calculate the motors starting cur..
antialiasing and anti-imaging active filter Sampling rectangular pulses (sampling clock) set as the following. Vp (pulse value) = -5 volts, Period: 0.125 ms, Pulse width 0.02 ms Sinusoidal voltage source set as the following: Frequency = 1000 Hz , Vp..
A Y-connected load has an impedance of 25+j12 ohms in each phase. It is desired to raise the load power factor to .95 lagging. (a) What size capacitor should be placed in parallel with each phase impedance if frequence = 60 Hz
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