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A 10 kwatt, 480V , single phase 60Hz, 24 pole motor has an stator winding resistance of 0.1 ohm from line-to-neutral. The rotor is not a permanent magnet but a separately powered electromagnet (field wind-ings) that takes .5 A at 120 V. (The power to run this field is considered a loss) The friction losses, in-cluding windage, are 15 kW. The core losses are 20 kW. a) Determine the output (line ) current based on input wattage and voltage. b) Calculate the I2R resistance loss due to the field windings and the I2R loss due to the main windings. c) Determine the output power (kW) d) Calculate the efficiency.
Define Design with Multiplexer, Design a circuit using one 16 TO 1 multiplexer with W, X,Y,Z on the control inputs
The resistance per 304.8 m of copper wire uses in the extension cord of AWG 14,12,10,8 and 6 are 2.58,1.62, 1.02, 0.64 and 0.41 respectively. Assume a 2% allowable voltage drop. Show all working .
The memory unit, 2M x 32, is specified by the number of words times the number of bits per word. How many address lines and input-output data lines are needed And give the number of bytes stored in the memory.
A waveform generator is connected to an op-amp which has been setup as a voltage follower. The voltage follower is then loaded with a 50 Ohm resistor. What output impedance setting should the waveform generator use
The surface of the sun has a temperature of 6000 K. Calculate the wavelength at which the sun emits its peak radiancy.
the frequency response h(e^jw) of a length-4 finite impulse response filter with a real impulse response h[n] that the following specific value: h(e^j0)=13, H(e^j3pi/2)=-3-j4, and h(e^jpi)=-3. determine the 4th discrete fourier transform (DFT) of ..
A motor operated from a 480 V(rms), 60 Hz source has an output of 800 hp. The motor is 89% efficient and has a power factor of 69.5% lagging. What is the electrical input power in watts of the motor
Determine the magnitude of the current when the machine develops its maximum gross power with the excitation held constant.
a resistor is required for an application that requires its value to be no less than 7.1k ohms and not more than 7.9k ohms. determine the nominal value and the maximum tolerance of the resistor you could use. explain.
For a chip area with area 2cm x 2cm in a 180nm logic technology, what is the approximate area of the same chip when ported to a 32nm logic technology.
Using the Internet, a magazine, or a provided list of memory modules, determine the exact part numbers and quantities of memory modules that you would buy. List them with the location of where you obtained the information.
Telephone channels and PCM analysis, The analog to digital converter (ADC) used in a telephone system outputs 8 bit words. The digital words are transmitted as a serial stream to form a PCM voice signal
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