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1. How is the relationship between the electrical quantities in stator and rotor of a synchronous generator set up?
2. Does the mutual inductance between stator winding and rotor winding vary with time, according to whether the generator is round-rotor or salient-pole?
3. What is the function of Park conversion?
The distance between the two cities is 2,500 miles by air, and the airliner flies at a speed of 400 mi/h. What is the data transmission rate between the two cities in bits/s?
Determine the phase relationship between the waveforms, and indicate which one leads or lags. - Determine the peak-to-peak and rms values of each waveform.
The following test data were obtained from testing a 48kVA, 4800/240-V, step down transformer: Open-circuit test Voltage (V) 240 Current (A) 2 Power (W) 120 Short-circuit test Voltage (V) 150 Current (A)10 Current
the rms voltage of a balanced 3 phase Y connected source is 110 volts at 60Hz. it is connected to a balanced Y Load by 3 distribution lines with an impedence on each line z=1+j2. the load impedence is z=19=j28 per phase.
suppose that another FM station is in the vicinity is broadcasting at 98.1 MHz. determine the relative value of the voltage across the resonant circuit at this frequency compared with that at 98 MHz, assume that the current produced by both signal..
Suppose that we are designing a cardiac pacemaker circuit. Thecircuit is required to deliver pulses of 1-ms durstion to the heartthat can be modeled as a 500-Ω resistance. The peak amplitudeof the pulses is required to be 5 V.
The lens-makers' equation applies to a lens immersed in a liquid if n in the equation is replaced by n2/n1. Here n2 refers to the index of refraction of the lens material and n1 is that of the medium surrounding the lens.
If V1 = 10V, V2 = 15V, R1 = 4 Ohm, and R2 = 6 Ohm in the circuit of given figure. - Find the Thevenin equivalent for the network to the left of terminals a, b.
a. What are the cyclic frequency (in Hz) and period of this signal b. Express this signal in the Quadrature and Sine/Angle forms. c. Express this signal in terms of complex exponentials (hint - use Euler's identity equation).
An AC Voltmeter uses a bridge rectifier and 100 ohm PMMC which requires a 1mA DC current for full-scale deflection. Assuming ideal diodes, calculate the value of the multiplier resistor to obtain full scale deflection with 10 V AC applied to the i..
Calculate the node voltages Va, Vb, and Vc from the given source voltages. - Use the above node voltages to calculate the assigned currents in the circuit.
What is the maximum number of clock pulses needed to return a 4-bit Johnson counter to its original state?- Which of the following does a UART contain?
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