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week4 (dragged) 34 - ! The length of this line is 1.5 cm....

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August 12, 2010 36 Example: Graphical Extraction of the Field ! Calculate the magnitude of the electric field at point P ! To perform this task, we draw a line through point P perpendicular to the equipotential line reaching from the equipotential line of +1000 V to the line of –1000 V
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Unformatted text preview: ! The length of this line is 1.5 cm. So the magnitude of the electric field can be approximated as ! The direction of the electric field points from the positive equipotential line to the negative potential line Thursday, September 16, 2010...
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This note was uploaded on 12/01/2011 for the course PHYS 241 taught by Professor Wei during the Fall '08 term at Purdue University.

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