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1. What is the relationship among the use of renewable energy sources, environment, and sustainability?
2. What is the relationship among energy efficiency, environment, and sustainability?
3. Give a definition of sustainable energy engineering
Briefly compare Ge, Si, and GaAs. Which can be used for ery-low-noise amplifiers? And for light-emitting devices? Why is Si preferred whenever possible?
Determine the closed-loop voltage gain Av = Vo/Vs, -Determine the input resistance Ri f , and - Determine the output resistance Rof.
Calculate the de Broglie wavelength, for: (a) An electron with kinetic energy of (a) 1.0 eV, and (ii) 100 eV. (b) A proton with kinetic energy of 1.0 eV. (c) A singly ionized tungsten atom with k in.
A farmer owns two barns; one north of a creek and the other south of the creek. The farmer has a Cabbage, a Goat, and a Wolf. The Farmer needs to put each item in a barn every night. If the Cabbage and Goat are in the same barn
Consider that you have an op amp integrated circuit package such as the LM741 in Appendix C. what type of testing appropriate for testing this device. write a short test plan for doing.
A DC power supply is adjusted to give a no load output voltage of 15 volts with the AC line voltage of 115 volts rms. A full load current of 1A is drawn into the circuit and the output voltage drops to 14.89 volts.
Write a Matlab script file that uses the function from Part 1 to apply "water filling" for distributing total power P = 10 over N = 5 parallel channels with noise levels x = [2, 3, 1, 6, 4] and that plots the noise and power distribution over the ..
Design a regulated DC power supply. You will have for input a 110 V input source at a frequency of 60 Hz. The Zener diode to use is the 1N4733A (which is available in the lab). The output voltage is to be 5.1 V with a load resistance above 2.2K.
Find the circuit current i in polar- R=3 ohms v= 15 sin(wt +10 degrees)- xl=7 ohms v= 56 sin (wt+10 degrees)- Xc=100 ohms v=25 sin (wt-20degrees).
Historically op amps and comparators have a lot of similarity in their internal circuit designs. However, they have very different uses in application circuits. Let's talk about these differences.
Three Single-Phase two-winding transformers, each rated 25 MVA, 38.1/3.81 kV, are connected to form a three-phase Wye-Delta bank with a balanced Y-connected resistive load of 0.6 ohms per phase on the low-voltage side.
Two conductors, each 10-cm long and space 1-cm apart, form a circuit. This circuit is located where there is a 10-gauss magnetic field at 60 Hz. What is the maximum noise voltage coupled into the circuit from the magnetic field?
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