MP03a - [ Print View ] PHYS 2212 G/H Spring 2008 MP03a Due...

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[ Print View ] PHYS 2212 G/H Spring 2008 MP03a Due at 9:00am on Tuesday, January 29, 2008 View Grading Details Fields due to Charge Distributions This assignment will receive a 30% bonus if it is completed before 9:00 AM, Friday, January 25. PSS 26.2: The Field Trip Learning Goal: To practice Problem-Solving Strategy 26.2 for problems involving the electric field due to continuous charge distributions. A straight wire of length has a positive charge distributed along its length. Find the magnitude of the electric field due to the wire at a point located a distance from one end of the wire along the line extending from the wire. MODEL: Model the distribution as a simple shape, such as a line of charge or a disk of charge. Assume the charge is uniformly distributed. VISUALIZE: For the pictorial representation: 1. Draw a picture and establish a coordinate system. 2. Identify the point P at which you want to calculate the electric field. 3. Divide the total charge into small pieces of charge using shapes for which you already know how to determine . This is often, but not always, a division into point charges. 4. Draw the electric field vector at P for one or two small pieces of charge. This will help you identify distances and angles that need to be calculated. 5. Look for symmetries in the charge distribution that simplify the field. You may conclude that some components of are zero. SOLVE: The mathematical representation is . Use superposition to form an algebraic expression for each of the three components of at point P. (Note that one or more components may be zero.) Let the coordinates of the point remain as variables. Replace the small charge
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MP03a - [ Print View ] PHYS 2212 G/H Spring 2008 MP03a Due...

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