EE302Lecture2

# EE302Lecture2 - Power Point Slideshow on the Project

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Power Point Slideshow on the Project https://webspace.utexas.edu/egp59/EE302-0-2-Project_Slides.ppt Project Instructions Posted on Blackboard https://webspace.utexas.edu/egp59/ExploreEngineering-Project2007-08-21.pdf What does it take to be an engineer? 1 cd Candela uminous tensity K Kelvin e mperature A Amperes ectric urrent s Second me Kg Kilogram ass m Meter e ngth Abbreviation Unit Quantity

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Problem Solving: Step 1 Define the problem Read the Problem Statement carefully. Collect the known information. Ask two important questions: • What essential information is given? • What is to be found? Draw an appropriate diagram, sketch, or circuit to help you visualize the problem. Problem Solving: Step 2 Select the best solution technique Consider several methods and pick the approach that is the most straightforward. For the chosen technique: • Clearly define all of the variables you will use. • Clearly state any assumptions made to simplify the problem’s solution. You may find some assumptions are not acceptable. Problem Solving: Step 3 Construct the equations and solve Using the analytical method you have chosen, arrive at a solution. • Construct the equations carefully. • Solve the equations accurately. Present the solution in a manner easily followed by other engineers. • Show your work — Be neat. 2
Provide enough information so that your solution can be checked. Problem Solving: Step 4 Verify the solution Check the accuracy of the solution to ensure you have made no errors. • Does the solution obey the laws of physics? Ohm’s Law, Kirchhoff’s Laws, etc. • Is the solution reasonable? Just because your calculator or your computer says so does not make it so… • Do the units make sense? • Have I really solved the specified problem? If not, go back to step 2. Problem Solving Summary 1. Define the problem Draw a diagram 2. Select the best solution technique Define all variables 3. Construct the equations and solve Carefully, accurately! 4. V erify the solution Is the solution valid and meaningful? Be Organized.  Be neat.  Show your work.  State units. 3

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Systems of Units International System of Units (SI), formerly MKS (meter-kilogram-second) We will use many other units of measure, but they can all be expressed in terms of these fundamental 6. Engineers tend to use powers divisible by 3
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## This note was uploaded on 04/04/2008 for the course EE 302 taught by Professor Mccann during the Spring '06 term at University of Texas at Austin.

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EE302Lecture2 - Power Point Slideshow on the Project

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