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1. A 4-pole, 3-phase synchronous motor fed from 50-Hz mains is mechanically coupled to a 24-pole, 3-phase synchronous generator. At what speed will the set rotate? What is the frequency of the emf induced in the generator?
2. A 20-pole synchronous generator running at 300 rpm feeds a 6-pole induction motor which is loaded to run at a slip of 5%. Find the speed at which the induction motor runs and the frequency of the currents induced in its rotor.
the z-axis carries a 10mA current in the +z direction. A second line of current parallel to the first is located at x= 0, y=3cm carrying a 10 mA current in the -z direction. A rod exists in the y-z-plave from y= 1cm to y= 2 cm. velocity u = 2m/s z..
A certain 100-watt light bulb costs 75 cents and lasts for 120 hours. Another longer-lived 100-watt light bulb costs $1.20. How much longer would the more expensive bulb have to last to make it a "good buy"
Ninety-five percent of the acetone vapor in an 85 vol% air stream is to be absorbed by countercurrent contact with pure water in a valve-tray column with an expected overall tray efficiency of 50%. Calculate: (a) The minimum value of L'/ V', the rati..
Specifically, what equations would be helpful to use to determine the AC power to the consumer and the voltage at the generator end of the transmission line? I don't know where to begin.
What is the resolution of an ADC with a word length of 12-bits and an analogue signal input range of 100 V A sensor produces a maximum analogue output of 5V. What word length is required for an ADC if there is to be a resolution of 10mV
A wire carries a constant current of 607. mA. How many coulombs flow past a given point in the wire in 2.00 sec
Assume, the program is to start at $C000. The program is to sort a block of 8-bit data where the starting address of the data block is stored at location $8000/8001 and the 8-bit data where the starting address of the data block is stored at $8002..
if a 1mA movement has an internal resistance of 43 ohms, calculate the shunt resistance required to increase its range to 50mA and also 300mA.
What is the role of m-commerce in business, and what are the most important m-commerce applications? • List and describe important types of m-commerce services and applications.
Knowing that the allowable average shearing stress in the bolts is 12 ksi, determine the largest permissible vertical shear in the beam. (Given: Ix = 6123 in4.)
Consider a block length N D-BLAST architecture on a MIMO channel with nt transmit antennas. Determine the rate loss due to the initialization phase as a function of N and nt.
What would the rating of this transformer be if it were operated on a 50-Hz power system? Sketch the equivalent circuit of this transformer referred to the primary side if it is operating at 50 Hz.
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