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A single phase cyclo - converter with mid point configuration is use for obtaining an output frequency of one third times the inputfrequency. Turn ratio from primary to upper secondary is 1/1 and tolower secondary is 1/2 . The SCRs are so triggered as toobtain a symmetrical output voltage waveform . Sketch theoutput voltage and output current waveform for a resistive load forfiring angle α = 0 degree and α =30degree .Indicate the conduction of various thyristers.
if a circuit contains 3 automatic switches and we want that, with a probability of 95%, during a given time interval they are all working, what probability of failure per time interval can we admit for a single switch
A certain pn junction is operating with Vt=26mV and ni=1.08x10^10 electrons/cm^3. The doping concentrations are Na=2x10^15 cm^-3 and Nd=9x10^16cm^-3. The diffusion coefficient are Dn=34cm^2/s and Dp=12cm^2/s.
Use the immediate addressing mode to add four to each value that is loaded to accumulator. Store the results in Locations 13-15. Let's assume that in Locations 10-12 we have the values 5, 6, and 7. After executing your code, the values in Location..
X1 and X2 are two independent Gaussian random variables each with mean zero and unit variance.
Assume that the Baud rate is 4800, and the clock input to the universal serial communication interface (USCI) module has a frequency of fBRCLK = 32,768 Hz. We want to set up the USCI module in the UART mode
A 60 hertz, 3 phase transmission line has a toal seriesimpedance (Z) of (0.2 + j0.8) ohms per mile per phase and shunt admittance(Y) of (j5.31 E-6) mhos per mile per phase.It delivers 40MW at 220Kv ,with 90% poer factor lagging.
If the phisical memory location is 6521H ad the code segment is 1400H what IP address must be used to fetch the instruction
With respect to sinusoidal signals, explain the difference between the way we normally define "amplitude" and the "amplitude" measurement on an oscilloscope. Also, How does the amplitude setting on a function generator relate to these
An isotropic antenna is radiating a total power of P0W. A receive antenna is located 2km from the radiator. It has a gain described by the equation with loss factor and an effective aperture of Aer1=600cm2 .
A radially dependent surface charge is distributed on an infinite flat sheet in the x-y plane and is characterized in cylindrical coordinates by surface density ps = p0/p, where p0 is a constant. Determine the electric field strength, E, everywher..
A 60 kVA, three-phase, wye-connected, 440 V, 60 Hz synchronous generator has a resistance of 0.15ohm and a synchronous reactance of 3.5ohm per phase. At rated load and unity power factor, calculate the percent voltage regulation.
A technician needs to interface a 7400 device which acts a driver with a load of a 4000 series logic device. Suggest a practical approach to interface the two devices correctly.
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