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homework7

# homework7 - ECE 1574 Homework Set#7 Problem Solving with C...

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ECE 1574 Homework Set #7 Problem Solving with C++ Due date: 3/15/10 by 11:55AM This assignment is to be done individually Complete the lab exercise and answer questions 1, 2, and 3 during the lab session. Answer the other questions later. LAB EXERCISE In good C++ style, write a program which by a Monte Carlo technique estimates the reliability of the electrical circuit represented schematically below. ------2 ohms---- ----3 ohms----- | | | | | | | | --- ---- ---- | | | | | | | | | | | | | ------4 ohms---- -----6 ohms---- | | | 100 volts 10 - 20 ohms | | | | ___ ___ - - In the circuit, there are a 100-volt DC source, a 2-ohm resistor in parallel with a 4-ohm resistor, and then a 3-ohm resistor in parallel with a 6-ohm resistor. The circuit is terminated in a load whose value varies randomly between 10 and 20 ohms. REQUIREMENTS 1. Using a flat logarithmic distribution values for the load [that is, a distribution in which any value in the domain from ln(10 ohms) to ln(20 ohms) is equally likely], let your program solve the circuit 100,000 times, counting the number of times the voltage across the load falls below 77.5 volts. (You may use one or more C++ vectors or arrays in your code if you wish, but this is not required.)

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