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a) the synchronous generator has a unique ability whihc places it at the top of the heap of all machines that might be used for generation of electric power. This unique capability is what allows the business of electric dispatch to even occur. Why is this ability unique to sychronous alternators?
b) In addition to the above unique capability there is one more unique fact of the synchronous alternator which actually makes the machine somewhat self protected. What is this capability?
Attenuation of received power with change in transmission frequency and distance between the antennas
1. Given R = 50Kohm and C = 100nF what is the frequency of oscillation 2. Given a required frequency of oscillation of f = 10kHz and R = 8kohm, what should the value of C be Calculate the signal to noise ratio given RMS Noise Voltage = 20mV and RMS S..
Binary symmetric channel, Assume that we are transmitting binary digits over a binary symmetric channel. Let p(x=0)=p(x=1)=0.5.
Ten multimode glass fibers (n1 = 1.48, n2 = 1.45) are spliced together. Each fiber is 2 km long and has a loss rate 2-dB/km. Each splice adds 1 dB of loss. If the output power of the source is 7 dBm and radiates uniformly in a 60 degree half cone
A 4KHz audio signal is transmitted by using a PCM system and the quantization level, L is 256. Find transmission bit rate.
Silicon has an absorption co-efficient of 850 cm-1 at a wavelength of 805 nm. Light of intensity 1 W/m2 at this wavelength is directed at normal incidence onto a polished silicon wafer of thickness 0.5 mm.a. Assuming a top surface reflectance of 30..
Consider the transformer to deliver its rated kilovoltamperes at 0.80 power factor lagging to a load on the low-voltage side with 240 V across the load. Find the highside terminal voltage.
Apple A5 die size is 122mm^2 when fabricated in 45nm technology. Assume they purchase 300mm wafers at a foundry for $ 2.5K /wafer. Assume a yield of 70%. What is Apple's approximate die cost?
determine power and limiting error of the power?
Which requires more harmonics to accurately model it (triangle, square, and sawtooth) and why?
What is the attenuation per octave between 1 kHz and 10 kHz? What is the increase in attenuation between 5 kHz and 10 kHz?
Examining frequency to time domain signals, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the power level of signals in dBm vertically and frequency horizontally. The spectrum of the unknown signal creates t..
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