19_Chapter 15 HomeworkCH15 Electric Forces and Electric Fields

19_Chapter 15 - Electric Forces and Electric Fields(b 19 q2> 0 because lines emerge from it and q1< 0 because lines terminate on it 15.29 Note

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Unformatted text preview: Electric Forces and Electric Fields (b) 19 q2 > 0 because lines emerge from it, and q1 < 0 because lines terminate on it. 15.29 Note in the sketches at the right that electric field lines originate on positive charges and terminate on negative charges. The density of lines is twice as great for the −2 q charge in (b) as it is for the 1q charge in (a). –2q q>0 (a) 15.30 Rough sketches for these charge configurations are shown below. +1 mC –2 mC (a) 15.31 (b) (b) (a) The sketch for (a) is shown at the right. Note that four times as many lines should leave q1 as emerge from q2 although, for clarity, this is not shown in this sketch. (b) The field pattern looks the same here as that shown for (a) with the exception that the arrows are reversed on the field lines. –2 mC +1 mC (c) q1 = 4q2 q2 ...
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This document was uploaded on 10/20/2011.

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