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a single phase 100 kVA, 1000/100 V transformer gives the following test results:Open Circuit test: 100V, 6.0 A and 400 WShort Circuit test: 50V, 100A and 1800W
determine the rated current and voltage for high and low sides, derive an equivalent circuit refered to the high side. find voltage regulation at .6 PF leading.
Using the Quine-McCluskey's method, find the SOP and POS solutions for the function below, and verify that they match with the Karnaugh map solutions. f (a,b, c, d) = \(\sum m(0,1,6,15)+ \sum d(3,5,7,11,14)\)
The cast steel torroid shown below has a rectangular cross-section. If the flux in the core is known to be 7.75mWb and the coil has 200 turns, determine the current in the coil. dimensions on the torrid. 300mm id; 400mm od; 100mm tall
Create a flowchart and pseudo-code for generating a report that prints all of the movies, with all movies made by the same director on one page, as well as the number of movies by each director.
Convert the designed prototype filter to highpass filter with cutoff frequency f_C=10,000 Hz, with 30 db attenuation at f_S=1000 Hz. Determine the transfer function of the filter.
1) Two signals are said to be orthogonal if the integral of the product of the signals is 0 over one period of the new (multiplied) signal. Assume x(t) and y(t) are orthogonal energy signals with energy, Ex and Ey, respectively.
A jet engine is modeled as a serial combination of a compressor, an adiabatic constant pressure combustor, and a turbine. Air (considered to have a variable specific heat) is compressed through a compression pressure ratio of 8.25:1
A modulating signal consists of two sinusoidal components: 1 kHz and 3 kHz. The transmitter carrier frequency is 80 kHz. If the signal is applied to an ideal DSB transmitter, indicate the output frequencies (in kHz).
Consider a hollow cylinder with a length L along the z-axis and a radius R and a charge -Q, containing a wire also of length L and charge Q running co-axially to the cylinder at its center.
Assuming that only integer multiples of a unit bipolar transistor having IS = 3 x 10-16A can be placed in parallel, and only a single voltage source, VB, is available (Fig. 4.54), construct the required circuit with minimum number of unit transist..
A simple voltmeter with a full-scale reading of 50(V) is required. Use a d'Arsonval movement with a rating of 20(mV) at 1 (mA). Calculate the value of the voltmeter resistor, Rv, required to achieve these design specifications.
Suppose that without a 1k-ohm load an amplifier's output voltage is 5Vpp but when the 1k-ohm load is attached, it drops to 3Vpp. What is the output impedance of the amplifier
an 8 pole synchronous motor produces a full load torque of 25 foot pounds, fed from a 60hz source and is now operating at 60% eff. What is the energy cost if the motor ran for a 8000 hrs/yr and the electrical energy cost were $.09/kWh.
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