week2 (dragged) 29

week2 (dragged) 29 - electric field at the center of the...

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August 12, 2010 University Physics, Chapter 22 20 Example: Electric Field from 4 Point q 1 = 10 nC, q 2 = -20 nC q 3 = 20 nC, q 4 = -10 nC ! The electric field component from each charge at the center of the square is given by ! SIMPLIFY ! Start with the x-components of the
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Unformatted text preview: electric field at the center of the square E2 E3 Do not care if arrows draw correctly or not: it will OK in the end. Just be consistent, e.g. assume positive charges Thursday, September 2, 2010...
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