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Current, voltage, and power to a three phase system are measured and found to be 20 A, 550 V and 10.5kW respectively. Determine equivalent circuits per phase as follows:(a)wye connected series combination of resistance and reactance in each phase.(b)'delta connected parallel combination of resistance and reactance in each phase.
How would you determine whether a given function, f(t), had finite or infinite energy. Give an example of a function with finite energy and one with infinite energy.
Define Design with Multiplexer, Design a circuit using one 16 TO 1 multiplexer with W, X,Y,Z on the control inputs
Consider the system with impulse response \(h(t)=e^{-3t}u(t-1)\) 1. Find the transfer function. 2. Find the Laplace transform of the output when \(x(t)=sin(t)u(t)\)
Write a C-program to generate K-map row and column headings for an arbitrary number of row or column input variables, i.e. 4x4 k-map for 2 row and 2 column variables, 16x16 k-map for 4 row and 4 column variables, etc.
construct a vertical line on your I versus V graph at the point V=5V. this line will intersect each of the sloping lines at two separate points. explain the significance of these intersections.
Find the induced emf as a function of time, for a square wire loop of side length 3m, in the x-y plane with one corner at the origin, due to a changing magnetic flux density B =5xycos(10t)z ˆ Wb/m2
The steering wheel of a car has a radius of 0.11 m, while the steering wheel of a truck has a radius of 0.28 m. The same force is applied in the same direction to each. What is the ratio of the torque produced by this force
Suppose that the number of customers entering a department store in a day is a random variable with mean of 50 customers/day. Suppose that the amounts of money spent by each one of these customers are statistically independent.
A 6 pole round rotor 3 phase star connected synchronous machine has the following test results: Open circuit test: 4000 V line to line at 1000 rev/min, 50 A rotor current Short circuit test: 300 A at 500 rev/min, 50 A rotor current
An ideal voltage source produces a dirac delta function, an impulse spike to a series resistor, capacitor combination. R = 10.000 ohms, C = 0.039 uF. Calculate the initial voltage that the capacitor charges to at t = 0+.
(1) What does the words leads and lag represent in factor In waveform (2) How would you change the power factor if you needed to
The failed machine will be immediately replaced with a brand new one upon the failure and the replacement time is negligible. Each machine will cost $100,000 dollars and the system is designed to run for 5 years.
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