week2 (dragged) 26

week2 (dragged) 26 - center of the square ! We can use the...

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August 12, 2010 University Physics, Chapter 22 17 Example: Electric Field from 4 Point Charges (2) Question: Four charges q 1 = 10 nC, q 2 = -20 nC, q 3 = 20 nC and q 4 = -10 nC form a square of edge length 5 cm. What electric field do the particles produce at the square center? ! THINK ! Each of the four charges produces an electric field at the
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Unformatted text preview: center of the square ! We can use the principle of superposition to calculate the electric field at the center of the square The electric field at the center of the square is the vector sum of the electric field from each charge Thursday, September 2, 2010...
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