E2sol - Phy sics 7B Answers for E2 ( rev. 3.5) Page 1 E-2....

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Physics 7B Answers for E2 (rev. 3.5) Page 1 E-2. Electric Fields Questions for discussion 1 . Sketch the electric field created by each of the following point charges. a) q = +1 C b) q = -2 C 2 . A long straight piece of fishing line has been sprayed evenly with positively charged paint. This creates a uniform line charge distribution (as opposed to a point charge ). Sketch the electric field created by this line of charge. How would your picture look if the line were negatively charged? All the arrows would reverse direction.
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Physics 7B Answers for E2 (rev. 3.5) Page 2 3 . Next, a large sheet of plastic has been sprayed evenly with positively charged paint. (See figure next page.) This creates a uniform surface charge distribution . Sketch the electric field created by this surface charge. How would your picture look if the sheet were negatively charged? Again, all the arrows would reverse direction. 4
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This note was uploaded on 11/19/2010 for the course LECTURE 1 taught by Professor Yildiz during the Fall '10 term at University of California, Berkeley.

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E2sol - Phy sics 7B Answers for E2 ( rev. 3.5) Page 1 E-2....

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