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A six-pole, three-phase, 440-V, 60-Hz induction motor has the following model impedances:
Calculate the input current and power factor of the motor for a speed of 1,200 rev/min.
Consider the following discrete-time signal where the samplesare represented using N bits. a. How many bits are needed to ensure that the quantization levelis less than 0.001. b. Suppose N = 8 bits. What is the average power of the quantization noise..
Due to increased electricity demand in the factory it is proposed to make a connection to the grid through two 2 MVA transformers in parallel each with a reactance of 0.1 pu. The fault level at the grid connection point is 1000 MVA. What will now ..
Find the gain in decibels of an amplifier that has a straight gain of 7000? Find the current in a ground loop that is 200 m long, has a wire resistance of 0.06 ohms/m, and has a difference of 4 V between grounds?
At what frequency does an RC low pass filter attenuate by 6dB(output voltage equal to half the input voltage) What is the phase shift at that frequency
A pain relief score, based on hourly questioning throughout the day, was computed for each woman. The possible pain relief scores ranged from 0 (no relief) to 56 (complete relief for 8 hours). Summary results are shown in the table. Test for evide..
Upon studying low bids for shipping contracts, a microcomputer manufacturing firm finds that intrastate contracts have low bids that are uniformly distributed between 20 and 25, in units of thousands of dollars.
Design a Mealy state machinethat is a *majority vote* detector that indicates when the majorityof the last three samples received are ones. When at least 2out of the last 3 inputs received are ones, it will output a1.
What is fraction of the chip occupied by other areas, such as I/O connections, peripheral circuits, and interconnect?
In the truth table, use the don't care term to represent 1bit (or 2 bits) of the entries whose outputs are the same for thebit(s) is both 0 and 1. For example, for the F=11, X= 1110 andX=1111. Then X can be written as X=111×.
Discuss the steps required in calculating the collector-emitter voltage in a VDB circuit. Why does this circuit have a very stable Q point Discuss whether transistors being used as switching circuits should be biased in the active region.
A sample of vinegar is 4.8% acetic acid, HC2H3O2, by weight, andhas a density of 1.00g/mL. Calculate (a) the grams of acetic acidin 1 liter of vinegar (b) the molarity of acetic acid invinegar.
A 460-V, three-phase,60-Hz system supplies power to a 10-kVA, delta-connected resistor load; a 50-kVA, 0.86 power factor induction motor, and a wye-connected synchronous motor that is operating at 0.62 power factor leading
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