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a 4-pole, 50 hz induction motor has a full load slip of 5%. each rotor phase has a resistance of 0.3 ohms and a standstill reactance of 1.2 ohms. find the ratio of maximum tirque to full load torque and the speed at which the maximum torque occurs.
A potentiometer is wired to represent a range of 0 - 180 degrees. The potentiometer is supplied with a voltage of 15 Vdc. What is the output voltage at 75 degrees
a) Find the current out of the current source. b) Find the current through the 200-ohm resistor. c) Calculate the power delivered by the source.
How fast, in rpm, would a 100 g, 50-cm diameter beach ball have to spin to have an angular momentum of 0.10 kg m^2/s
Consider a 1.5 MVA, 4.16 kV, 3φ. 60 Hz synchronous generator. When operating at full load and rated voltage at a power factor of 0.9 lag, WHAT is the stator current in phase b[magnitude & angle]
Given a network using slotted Aloha multiple access protocol with N users and each user attempting to access the channel with probability P. It is safe to assume that each user always has a frame of data to send and that it uses access probability
Two 5 H inductors connected in series are subjected to an electric current that changes at a rate of 4.5 amps per second. How much voltage will be dropped across the series combination
the following binary numbers are all represented using 6 bit signed 2's complement. all addition should also be conducted in 2's complement form. A=111000; B=010110 (a) what is A's value in decimal
an object hose mass is 200 kg moves at a velocity of 50m/sec and altitude of 200m,both measuredc relative to the surface of the earth. the acceleration of gravity can be taken as constant at g=9.8 m/sq.sec.
Raffle de St. Michelle: A local charity holds a raffle every year. They have one first prize of $500, four second prizes of $100 each and ten third prizes of $50 each. This year they sold 300 tickets. (a) If you buy one ticket, what amount will you..
an automobile travels 1200ft in 30s while being accelerated at a constant rate of 1.8 ft/s^2. Determine (a) its initial velocity, (b) its final velocity, (c) the distance traveled during the first 10s
Find the associated answers for: total circuit impeadance (Zt), Current source (RMS), Vc (RMS) w/ power factor, Vr (RMS), all in complex form/ rectangular form. Remember each question has to be done three times, one for each frequency.
How much we need to pay for the electricity cost in 61 days when a water-desalination machine runs normally from 8AM to 4PM every day. (It draws 25A in its warming-up time (15 minutes) and draws, on average, 7A in its normal working time at 240V).
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