StudyGuideChapter23

# StudyGuideChapter23 - The Electric Field Study Guide for...

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Unformatted text preview: The Electric Field Study Guide for Chapter 23 Outline 1. The Electric Field of Point Charge The is a associated with a charge distribution. By “vector field”, we electric field vector field mean that the electric field consists of one vector for each point in space. E The electric field at a point measures the that would be exerted on a force per unit charge positive “test charge” placed at the point: E F œ ; The electric field is measured in newtons per coulomb (N C). Î When a charge is placed in an electric field, the force on the charge is given by the formula ; F E œ ; Note that a positive same negative charge experiences a force in the direction as , while a E charge experiences a force in the direction. opposite A point charge emanates an electric field in the space around it, with magnitude U determined by Coulomb's law: I œ " U % < 1% ! # The electric field points from positive charges, and negative charges. away towards If multiple charges are present, the resulting electric field is obtained by adding the electric...
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## This note was uploaded on 11/28/2010 for the course PHY 56705 taught by Professor Turner during the Spring '10 term at University of Texas.

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StudyGuideChapter23 - The Electric Field Study Guide for...

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