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A 240V, short shunt, cumulative compound generator is rated at 100A. The shunt field current is 3A. It has an armature resistance of 50 milli-ohm, a series field resistance of 10 milli-ohm a field diverter resistance of 50 milli-ohm and a rotational loss of 2kW. The generator is connected to the load via a feeder whose resistance is 30 milli-ohm. When the generator is supplying the full load at the voltage, determine the series field current.
Looking at feedback and some Opamp problems, If the unity gain frequency is 5 MHz and the midband open-loop voltage gain is 200,000, what is the cutoff frequency?
An engineer is required to survey a nonrectangular plot of land but is unable to measure side UT directly (see Figure 2.11). The following data are taken: RU=121.0m, RS=116.0m, ST=83.5m, angle RST= 113 degrees
a) Determine the closed-loop transfer function, T(s) = Output/Input = Y(s)/R(s) b)Find the time response, y(t) for a step input of r(t) = A for t>0 c)Using the final-value theorem, determine the steady-state value of the output y(t)
On a spacecraft two engines fire for a time of 541 s. One gives the craft an acceleration in the x direction of ax = 4.90 m/s2, while the other produces an acceleration in the y direction of ay = 7.60 m/s2.
Can we build a bandpass filter using a low pass and a high pass filter combination. If your answer is yes, then how should the cut off frequencies be arranged. Illustrate your answer with a simple example.
The doping concentrations in a silicon pn junction are Nd = 5 × 1015 cm^3 and Na = 1017 cm^3. The zero-bias junction capacitance is Cjo = 0.60 pF. An inductance of 1.50 mH is connected in parallel with the pn junction.
Use MATLAB to make the following plots of fields associated with propagating modes in a rectangular waveguide. The dimensions are a=2.3 cm, b=1.0 cm and the frequency is 18 GHz. Assume that the maximum electric field is 10mV/m.
The frequency response of the circuit is then expressed as a voltage divider involving Zeq and R: 1) Rewrite the equation above in the form: 2)Derive expressions for K, w_n (the corner frequency of an additional zero in the numerator due to the resis..
Three zero mean, unit variance random variables X,Y, and Z are added to form a new random variable, W = X + Y + Z. Random variables X and Y are uncorrelated, X and Z have a correlation coefficient of 1/2
Determine the output y(t) if the input to the system is given by x(t) = u(t) - u(t-2) using complex-domain (not time-domain) analysis techniques.
plug the following items into a single circuit breaker in your house (120 V): 0.3 hp fish tank pump, a 9000 watt space heater, a 1800 watt hair dryer, a TV using 409 watts. Calculate the minimum rating of the circuit breaker necessary to safely ca..
The speed of data communication link is 16Kbits p/s. The voltageof each sample vary from 0 to 2V. The length between the digitized levels is 0.125 V. Find the number of samples that can be sent in 1 minute
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