HW_3 - normal human body contains ~10,000 arterioles. A...

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BME 311 Network Theory Homework #3 Due: February 18, 2009 Page 1 of 2 (c) John X.J. Zhang, UT Austin 1. Reading Assignment Fundamentals of Electric Circuits (3 rd Ed), Alexander and Sadiku Chapter 3 (page 81-113) 2. Basic Problems (70 points) Solve the following problems from the textbook Chapter 2: 2.22 2.24 2.42 2.46 2.56 Chapter 3: 3.6 3.20 3. Circuits in Physiology (10 points) Assuming that all the blood pumped by the heart flows through the arterioles independently of any other blood vessel type and that the blood flow rate is directly proportional to the fourth power of the diameter of the vessel. If the blood flow rate in a blood vessel with half the diameter than usual was measured to be 12.5 μl/min, calculate the power of the heart (in W). Also given is that the average Pressure developed by the heart is equal to 75mmHg and a
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Unformatted text preview: normal human body contains ~10,000 arterioles. A small LED (light emitting diode) consumes ~ 120W of power. How many LEDs can a heart light up simultaneously, theoretically? 4. Mesh Analysis using Matlab (10points) Write a Matlab script to find the current flowing through the resistor Rb. (for programs with detailed comments, +1 bonus points) BME 311 Network Theory Homework #3 Due: February 18, 2009 Page 2 of 2 (c) John X.J. Zhang, UT Austin 5. Pspice (10 points) For the current-divider circuit shown below, find all the nodal voltages (at nodes from 1 to 5) with respect to ground. Use Pspice to plot the current through each resistor. Determine the total resistance as seen by the current source I1....
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HW_3 - normal human body contains ~10,000 arterioles. A...

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