week2 (dragged) 30

week2 (dragged) 30 - at the center of the square The...

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August 12, 2010 University Physics, Chapter 22 21 Example: Electric Field from 4 Point q 1 = 10 nC, q 2 = -20 nC q 3 = 20 nC, q 4 = -10 nC ! Now the y-components of the electric field
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Unformatted text preview: at the center of the square ! The magnitude of the electric field at the center of the square is then Ex Ey Etot Thursday, September 2, 2010...
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