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The voltage drops across three resistors in series are measured 10V, 15V, and 25V. If the largest resistor is 47 ohms, what is the value of the smallest resistor?
What is the efficiency of an AM transmitter if it outputs 10 W of power to a 50 Ώ load while drawing 1 amp from a 12
Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
C++ Program Help, make a program that will read a file from a disk and will take the first letter of each word and and make that into a sentence.
Interpreting frequency domain signal spectrum to time domain, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the voltage level of signals in volts vertically and frequency horizontally.
Bandwidth, In a given communications system, one signaling element is used to represent 64 bits. The required data rate is 1.789 Mbps.
Treat as an ideal gas ie it obeys pV=nRT law where pis pressure, V is volume, n is # of moles, R=82.056*10-6 m3-atm/mole-K is the universal gas constant and T is the absolute temperature.
A unit for a telecommunications system is to be designed so as to have a minimum availability of 0.9994. The MTTR (mean time to repair) for the unit is estimated to be 24 hours.
The gain of the antennas must be increased when the TDMA system described in part (d) is used because the bit rate is higher than with FDMA and the noise power in the receiver is therefore higher
The river estuary is tidal causing the surface level of the water to rise and fall. At certain times of day, reflections from the water surface cause deep fading of the received signal.
Determining how to use the function fft to find the DFT coefficients X[k] of x[n] in Matlab. Also, how would you plot the magnitude of X[k] in Matlab?
What annual revenue is required to cover fixed costs? What will be the annual variable costs? How much will electricity cost per kWh?
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output in dBW?
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