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A capacitor, an electric resistance heater, and an impedance are connected in a parallel to a 120 volts, 60Hz system. the capacitor draws 50VARs, the heater draws 100 watts and the impedance coil draws 269 VA at a power factor. Find the Apparent Power.
Calculate the length and the distance coved by the lightening arrestor to be installed above 20 feet height industrial building.
If the EM wave of 10 kW transmitted is hitting a truly reflecting building at 20o and 5m from normal, the coefficient of reflection is r=0.5, at which location the reflected ray is max and its power density at 5m in that direction
Calculate the FLAT BAND POTENTIAL and the THRESHOLD VOLTAGE for a real n+ polysilicon / p- silicon MOS diode having Na= 1017 cm^-3 and oxide thickness d = 5 nm. Assume that the oxide has only fixed oxide charges (Qf)
calculate the amout of mmf generated by a coil of wire having 1300 turns and carrying milliamperes of current?
A sampled-data system such as that presented in problem (i) has a sampling period T = 0.05s and has G(z) = K (z3 + 10.3614z2 + 9.758z + 0.8353) / (z4 - 3.7123z3 + 5.1644z2 - 3.195z + 0.7408) 1. Determine K when the two real poles break away from the ..
The heavy duty battery can provide 9A for 4 hours period of operation each night. Design a parallel set of lights (select the maximum number of lights) when the resistance of each bulb is 12
Writing the mathematical equations of a DC motor develop the complete model to derive the open loop transfer function between the operating speed and applied voltage.
discharge a capacitor of 1mF charged with a voltage of 1 volt we connect it, at time t = 0, with a esistor of R ohm. When we measure the voltage we find it to be V(r) (t) = e ^(-t) u(t). Determine the resistance of R. If the capacitor has a capaci..
Describe a passive fourth-order Butterworth filter with cutoff frequency of 2000 radians per second and an output resistor of 1000 ohms.
Analysis of link budget DTH QPSK Satellite link, A direct-to-home satellite television system uses a geostationary satellite in orbit above the equator at a longitude of 109 degrees west.
Light of free-space wavelenth lambda_0= 0.87 micrometers is guided by a thin planar film of width d=2 micrometers and refractive index n_1=1.6 surrounded by a medium of refractive index n_2=1.4.
A large room is illuminated by twenty 150-watt lamps and thirty 100-watt lamps. If the circuit voltage is 116, calculate the total current.
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