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Real inductors have series resistance associated with the wire used to wind the coil. Suppose that we want to store energy in a 10-H inductor. Determine the limit on the series resistance so the energy remaining after one hour is at least 75 percent of the initial energy.
Use the Z-transform of u[n] and properties of the Z-transform to find X(z). Verify that the expressions obtained above for X(z) are identical.
A runner should STEAL a base if and only if the manager pulls his EAR and BOWs while patting his HEAD, or if he lifts his LEG and pats his HEAD without BOWing, or anytime he pulls his EAR without lifting his LEG. Sketch a minimal circuit that coul..
A penstock is used to bring water from behind a dam into a turbine. the penstock is 6m in diameter and moves water at a rate of 500 m^3/s. Compute the mechanical power entering the turbine.
Three identical single-phase transformers, each rated at 100 kVA, 7 kV/3.5 kV, are connected as a three-phase transformer bank. The high-voltage side of the transformer is connected in delta and the low-voltage side is connected in wye.
The value of Q is 1 and only if the number of clock ticks (after reset) is either a multiple of 2 or a multiple of 3. Otherwise, the value of Q is 0. Draw a state diagram for the machine using as few states as possible (Hint: More than three state..
Consider the mapping of the unit circle (i.e., z = 1ejω, -π ≤ ω
Design a Mealy circuit has two inputs, X and Y, and two outputs, Z and W. If the two inputs are 0 at the previous clock rising-edge and then 1 at the next clock rising-edge, then an output Z = 1 (else Z = 0). If one of the inputs is set to 1 and t..
define state variables, determine the required initial conditions, and use Matlab to solve for voltages Vc(t) and Vo(t). Plot the results, and verify that the numerical solution using state variables matches the hand calculation solution.
A 60-turn coil carries a current of 2A and lies in the plane x + 2y- 5z = 12 such that the magnetic moment m of the coil is directed away from the origin. Calculate m, assuming that the area of the coil is 8cm2.
A DC voltmeter is rated at 14 bits of resolution and has a full-scale input range of ±5V. Assuming the meter's ADC is ideal, what is the maximum quantization error that we can expect from the meter.
A direct current source is required to supply a controlled current of 20A to a load in which the resistance varies from 0 to 12 ?. The source consists of a 208 V(L-L) , 60 Hz , there -phases , a controlled bridge rectifier, and a large series indu..
professor patt is trying to decide when he should shave his beard. your job is to design a logic circuit whose output
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