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A capacitor is charged to 100 V and is then disconnected. Leakage reduces its voltage to 35 V in 45 minutes. Estimate the additional time required for the voltage to drop to 8 V. The leakage is represented by a resistance in parallel with the capacitance.
A small object with charge Q1=6nC is located at the origin. A second small object with charge Q2=-5nC is located at m. What is the net electric field at location A m due to Q1 and Q2
What is the quantization signal to noise ratio SNRQ at the receiver output? e. If the SNRQ were to be raised to 96 dB, how many bits would the ADC and DAC need? What would be the bit rate on the serial link?
Use Smith Chart: A 100 Ohm air-coaxial transmission line is measured to have an input impedance of 100 + j100 Ohms. If the system is operated at 100 MHz and is one meter long, what is the terminating load impedance
In a 60-HZ, 208 V (line-line, rms), 5-kW motor, R'r = 0.45Ω and X'tr = 0.83Ω. The rated torque is developed at the slip s = 0.04. Assuming that the motor is supplied with rated voltages and is delivering the rated torque,
The characteristic equation ofthe system is q(s) = s^5+13s^4+33S^3+32s^2+20s+k^2 where k>0. a). Find the range of values of k for which the system is stable using the Routh-Hurwitz table. b) What value of k makes the system marginally stable
A rectangular patch has length 13 cm and width 0.8*13 cm and is supported by a dielectric substrate with relative permittivity 4. What is (approximately) the resonance frequency (in GHz) of the patch antenna
Write a program that reads a file containing only integer, but some of the integers have embedded commas, as in 145,020. The program should copy the information to a new file, removing any commas from the information.
The power density 50km from a transmitting antenna is 0.5 uW/m^2. If the frequency is 2 GHz and the antenna gain is 30 dB, determine the transmitter power.
the electric field srength E due to an infinite line of chargeis given by E = λ/(2πrεo), where λ is the charge per unit length and r is the radial distance from the wire. a, show that this formular for E still has the units of N/C.
Improve the controller designed in part by introducing a mechanism for the disturbance compensation at the plant input. Illustrate advantage of the improved controller by applying the fast varying piecewise constant reference input vector and sinu..
If the U.S. consumes 10 Quads each year by burning gasoline for automobiles, and if this energy usage is spread evenly across 8760 hours in a year, what is the equivalent continuous flow of power in Megawatts (MW)
Capacitance can be altered by bringing the two wire line close to ground. (a) Apply the method of images to determine the Capacitance of the two-wire line shown in the figure, where the lower wire is suspended a distance from the PEC ground.
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