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You are the manager of the "New Products" division of a firm considering a group of investment projects for the upcoming fiscal year. The CEO is interested in maximizing profits and wants to pursue the project or set of projects that return the highest possible expected profits to the firm. Three potential alternatives have been proposed, including the following estimated financial projections:
Which set of projects would you recommend if your firm could only spend $70 million in upfront costs on investments and if the investment in the Alpha project decreased the upfront costs required for each of the remaining projects by half?
A separately excited DC generator,when running at 1200 RPM, supplies 200A at 125V to a circuit ofconstant resistance. What will the current be when the speed is dropped to 1000 RPM if the field current remains unchanged
Suppose a wave propagates in the x-direction and has its electric field along the y-direction [So Ex = Ez= 0, and Ey = Ey(x,t)].
If the resistance of an antenna can be neglected, what must be the characteristic impedance of the transmission line feeding the antenna so that the antenna radiates maximum power?
a salient pole 60 Hz synchronous motor with a squirrel cage winding on the rotor which is used for starting purposes. (a) What is the frequency of the current in the squirrel cage rotor conductors immediately after the motor is energized (The motor..
A star connected synchronous motor at 187 kVA, 3-V, 2300V, 47A, 50Hz, 187.5 rpm has an effective resistance of 1.5 ohm and a synchronous reactance of 20 ohm per phase. Determine internal power developed by the motor when it is operating at rated c..
Let the probability of a bit error be p, and the length of a data frame be N. Find the probability of 1, 2, 3, and 4 bit errors occurring in the frame. a) Tabulate the results for N = 1000, 10000, and 100000 bits, for p = 10-6, 10-8, and 10-14
The following voltage drops are measured across each of three resistors in series: 5.5V, 8.2V, and 12.3V. What is the value of the source voltage to which these resistors are connected?
2. What is the sampling period 3. What is the bit time 4. What is the bit rate of that system 5. What is the time allotted to each channel
Determine the transfer function and difference equation.
Assume initially that no inputs have been seen and create a special initial state with output 0 to start the Moore machine. Draw a state graph for a Moore machine (minimum number of states is 6).
Suppose you are told that a Moore machine has five flip flops, three inputs and nine outputs. What is the minimum and maximum number of states in the state diagram, the minimum and maximum number of transition arrows at a particular state
A bar of p-type silicon, has a cross-sectional area A = 10-6 cm2 and a length L = 1.2 x 10-3 cm. For an applied voltage of 5V, a current of 2mA is required. What is the required (a) resistance, (b) resistivity, and (c) impurity doping concentratio..
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