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define a one-dimensional potential well having energies U as a function of position x as follows: U=infinity for x= -1nm to x=0; U=0 eV for x=0 to x=5nm; U=10 eV for x=5nm to x=7nm; U=0 for x>7nm and x< -1nm. We plut an electron with energy E=5eV between x=0 and x=5nm.
a) Write the schrodinger wave equation for each region in the figureb) Write the expressions for the general form of the wave function in each regionc)what are the boundary conditions and whyd) what does the graph of the wave function look like for the lowest energy levele) what is the most likely place to find a particle in this energy state?
A shunt dc motor has RA = 0.1-ohm and VT = 440 V. For an output power of 16.1 hp, nm = 1,213 rpm and IA = 103 A. The field current remains constant. Find the the rotational power loss in hp.
give the definition of electrical circuit. draw the simplest electrical circuit and mark the directions of electrical values in it and ohms law. what are the main and the additional elements of the electrical circuit and that are the purpose.
1. Given R = 50Kohm and C = 100nF what is the frequency of oscillation 2. Given a required frequency of oscillation of f = 10kHz and R = 8kohm, what should the value of C be Calculate the signal to noise ratio given RMS Noise Voltage = 20mV and RMS S..
A power transistor for which Tjmax=180degrees Celsius can dissipate 50Watts at a case temperature of 50degrees. If it is connected to a heat sink using an insulating washer for which the thermal resistance is .6degrees Celsius/Watt
1. Express the Boolean function f(X,Y,Z) = XY + X(Y + Z) in sum of products form showing the sum all nonzero minterms. 2. Express the Boolean function f(A,B,C,D) = A(B + BC) + ACD in sum of products form showing the sum all nonzero minterms.
A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 1.60 m/s. The coefficient of kinetic friction between sled and ice is 0.110. Use energy considerations to find the distance the sled moves before it stop..
An airplane has a mass of 3*10^4 kg and takes off under the influence of a constant net force of 35 000 N. What is the net force that acts on the plane's 80-kg pilot, assuming that he has the same acceleration as the plane
Design a combinational circuit that takes two 3-bit binary numbers a2a1a0 and b2b1b0 and generates Modulo-8 addition. Recall that the MOD operation produces the remainder value in an integer division. (Note: Do not use any CAD tool.
Research about origin, formation process, and age of oil. What type of biota contributed to oil formation How is that linked to marine environment being conducive to oil formation What are the prospects for offshore oil beds
A system is needed to measure flow, which continuously cycles between 20 and 30 gal/min with a period of 30 sec. The required output is a voltage varying from -2.5 to +2.5 V for the cycling flow range. The sensor to be used has a transfer function..
Identify the type of cable that is permitted in single- and multifamily dwelling units but that cannot be used underground, nor in buildings that are more than three stories above grade, nor in commercial garages, motion picture studios, theaters,..
Solve the equation z^2+z+1=0 using z=(x,y) and the basic definitions. (Hint: Note that y does not equal 0 because the equation X^2+X+1 does not equal 0 for any real number x.)
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