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Consider a 3 phase 25 kVA, 440 V, 60 Hz ac generator operating at full load (that is, delivering its rated kVA) under balanced steady state conditions. The ac generator has 3 stator windings that output balanced 3 phase voltages. It is usual to assume that the 440 V refers to the rms value of the line-to-line voltage. a) Find the magnitude of the generator line current if you also know that the stator windings are connected in Y . b) Find the magnitude of the generator line current if you also know that the stator windings are connected in ?.
(a) Design a circuit that provides an output voltage which indicates the amount of fuel remaining, so that 1 V=empty and 5 V=full. (b) Design a circuit to indicate the rate of fuel consumption by providing a voltage output calibrated to yeild 1V = 1..
Write down the principle of energy conversion and give an example for single and double excited system.
Mobile IP was intended to work with legacy correspondent hosts and legacy applications. However, some advantages may be gained if correspondent hosts are aware of mobility in certain ways.
Determine the transfer function for a second order band pass filter with following specifications. Chebyschev type with 1 db ripple in the pass band Lower cutoff frequency = 100 radians/sec
Describe the relationship between peak voltage, peak-to-peak voltage and rms voltage. Include in the discussion which values can be demonstrated with the laboratory test equipment.
A parallel-plate wave guide consists of two perfectly conducting plates spaced 1 inch apart. Find the propagation constant and the guide wavelength for the modes TE1 and TE2 at (a) 5 GHz (b) 15 GHz
The desired signal at the output of the amplifier is 10 dBm, and the signal level applied to the fiber connector at the head end is 10 dBm. What should the gain of the amplifier be to have 10 dBm at the output of the neighborhood amplifier
A coil wound on a magnetic core is excited with the followingAC voltage sources: a) 100 volts, 50 Hz, b) 110 volts, 60 Hz.Compare the hysteresis losses and eddy current losses (ratio) forthe two different sources. For the hysteresis losses, assume..
For the system used in this lab, suppose the voltage tobe measured in a certain experiment is always positive, and neverexceeds 2.5 V. How many of the 16 bits of the A/D converter are effectively utilized
determine the minimum sampling rate necessary to sample and perfectly reconstruct the signal x(t) = sin(6280t) / (6280t).
Two particles are fixed on an x axis. Particle 1 of charge 60.5 µC is located at x = -18.7 cm; particle 2 of charge Q is located at x = 9.53 cm. Particle 3 of charge magnitude 51.7 µC is released from rest on the y axis at y = 27.4 cm.
A 300 ohms resistor is connected across the 300 ohms antenna input of a television receiver. The bandwidth of the receiver is 6 MHz, and the resistor is at room temperature (20' C). Find the noise power and noise voltage applied to the receiver in..
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