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For a 1-Gbps network operating over 5000 km, the delay is the limiting factor, not the bandwidth. Consider a MAN with the average source and destination 20 km apart. At what data rate does the round-trip delay due to the speed of light equal the transmission delay for a 1-KB packet? Assume the speed of light in fibre to be 2/3 the speed of light in a vacuum.
If I have an AC series circuit with a voltage source of 3 Vrms, a frequency of 5 kHz, a 100 mH coil, and a 1 kohm resistor, how do I determine what the back emf is
A battery is limited in the amount of current that it can supply to a load. When disconnected and fully charged, the voltage across the battery terminals is measured to be 13.8 V. When connected to a load that dissipates 18 W of power
Calculate current flow and describe its probable path. Will the breaker likely be tripped? Is there a risk of electrocution? If so what factors contribute to the risk?
A. Determine the fundamental frequency w0, the period t0, and the coefficients in the representation X(t) = x0 + Re{(sigma)k=1N Xkejkwot} for the above input. C. Now consider a new signal y(t) = x(t) + 10 cos (50 pi t - pi/6). How is the spectrum ..
A heat engine operating in outer space may be assumed equivalent to a Carnot engine operating between reservoirs at temperatures TH and Tc The only way heat can be discarded from the engine is by radiation
Three amplifiers with power gains of 15, 22, and 7 are cascaded. The input power is 120 µW. What is the output power of the final amplifier stage
A aperiodic signal x(t) = 2sinc(2t) is multiplied by a periodic rectangular pulse train s(t) with fundamental frequency F0 = 4 Hz and the fundamental rectangular pulse given by p(t) = 1, -1/80
Design an open-circuited, shunt stub matching network to match a 125 + j20 ohm load to a 700 MHz, 50 ohm generator. Show the lengths of your transmission lines in fractions of a wavelength. Show steps to solution please.
The mobility of electrons in certain semiconductor is 1400 cm2/ (volt x sec). At room temperature (T=300K) calculate the diffusion length of electrons. What are the assumptions used in low-level injection of carriers
A three-phase 45 MVA, 345/34.5 kV distribution transformer is used as a step-down transformer. Determine the phase VA, Voltage, Current ratings and turns ratios of the transformer if it is connected as follows (a) Wye -delta
plane polarized light is sent through two consecutive polarizers, the first having its plane of polarization in the same direction as the incident light and the second having its palne at 90 degrees to the original plane of polarization.
Develop the VHDL text file for a binary up-coutner to divide an input frequency of 2 MHz to give an output of 20kHz. Use Q as the ouputs and CLK as the rising edge clock input.
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