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Let O be a measurement operator for the of dots facing upwards on a 6-sided 'quantum' die-- a die that can be put into superpositions of states and then measured. The set of possible outcomes is {1,2,...6}. In quantum theory these are supposed to be the eigenvalues of the measurement operator, O. In order words, the eigenvalues are Oq ε{1..6} in the eigen equation O l q> = Oq l q> where l q> are the states corresponding to the measured e. values What is the expression for the operator O, in the bra-ket notation?
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.
A 150kVA, 2080/208V, 60Hz, Y/Y connected, three-phase, step-down transformer consists of three identical single-phase transformers. Each transformer has the following parameter values: Rl = 0.45-ohm, Xl = 2.2-ohm , R2 = 4.5m-ohm
In a certain crystalline material the vacancy concentration at 25*C is one-fourth that at 80*C. At what temperature would the vacancy concentration be 3 times that at 80*C 2. Suppose one attempts to add a small amount of Ni to Cu in an effort to cr..
Calculate the output resistance of the device, dIC/dVC, for 0
Design an operational amplifier cicuit that has the following specifications: Gain=-3; Input impedence>20 kohm You have unlimited number of resistors of values 1,2,5, and 10 kohms and LM741 op amps.
a DC series machine ( 9.25 kW, 185 V, 1500 RPM) has Ra+Rsr = .3 ohms. The data for the magnetization curve are: Ia 0 10 20 30 40 50 60 Ea 10 50 106 156 184 200 208 Determine the terminal voltage at Ia = 20 amps, 40 amps and 60 amps.
A 600kVA, 600 V, 0.9-PF-leading, Y-connected synchronous motor has a synchronous reactance of 1.0 per unit and an armature resistance of 0.1 per unit. At the current time, EA = 1
Output levels of higher order products of a linear amplifier, If a tone is put into an amplifier, and its amplitude is increased by 1 dB, how much will the amplitude of the third-order products increase in dB?
Assuming that ideal filters are available, what is the lowest frequency at which the signal can be sampled and subsequently recovered in its analog form without distortion using a low pass filter?
A particular intrinsic semiconductor has a resistivity of 50 -cm at T=300 K and 5 - cm at T=330 K. Neglecting the change in mobility and effective density of states with temperature, determine the bandgap energy of the semiconductor.
How do you use the Cayley-Hamilton technique to find the state transition matrix and the state equation output y.
What is the frequency of the rotor currents? What is the angular velocity of the stator field with respect to the stator? With respect to the rotor?
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