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Determine the net chage delta Q that flowed through a resistor over teh specified time interval for each of the following currents:
(a) i(t) = 0.36A, from t=0 to t=3s
(b) i(t) = [40t +8] mA, from t=1s to t=12s
(c) i(t) = 5sin(4*pi*t) nA, from t=0 to t=0.05s
(d) i(t) = 12e^(-0.3t) mA, from t=0 to t=infinity
Semiconductor A has a bandgap of 2.5eV while semiconductor B has a bandgap of 1.5eV. What is the ratio of the intrinsic carrier concentrations in the two materials (niA/niB) at 300K
The magnetization graph taken at 1800 rpm of a 6 kW, 120 V, 50 A, 1800 rpm, dc generator is attached below. Field resistance is 20 ohms and armature resistance is .18 ohms. Find: As a seperately excited generator
Evaluate the TL parameters. Include the effect of the earth as ideal. Do not incorporate the effect of the shield wires.
You have a bandwidth of 10 MHz (per direction) in a single-cell system and want to deploy a wireless telephone system. You have the following options: analog 30-kHz channels (as in AMPS)
Design a low pass active filter such that its roll off attenuates frequency components a 10kHz or more by more than 30 db. This means that the magnitude of the transfer function (in db) at frequency 10kHz should be -30db or less
A 3.5inch floppy disc has a nominal capacity of 2 MB. Note that there are eight bits to a byte. Estimate the area of magnetic material allocated to each bit of information. Clearly state any assumption made and carefully note any measured quantiti..
Suppose that the source charges of the two previous problems are present together. The potential at infinity is defined to be 0. a. Is the potential at the point (0.5, 0.5, 0.5) positive, negative, or zero b. Is the potential at (4, 4, 4) positive
Determine the transfer function and difference equation of the designed FIR system, and compute and plot the magnitude frequency response for Omega=0, Pi/4, Pi/2, 3 Pi/4, and Pi radians.
Using this method, create and test a minority vote circuit, a circuit designed to indicate when one or no inputs are HIGH. Determine the appropriate SOP equations, enter, compile, simulate, download, and test your solution.
Look at the resistor illustrated. Based on your knowledge of the resistor color code, what are the resistance value and tolerance of this resistor?
A CS amplifier using an NMOS with gm = 3.8 mA/V is found to have an overall voltage gain of -16 V/V. What value should a resistance RS inserted in the source lead have to reduce the overall voltage gain to -8 V/V
a. Draw a block diagram of a closed-loop control system. b. Use the block diagram to describe how the system works. c. What is the advantage of this system over an open-loop system
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