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Direction of Field Vectors

  1. Jul 10, 2017 #1
    I saw this thread "https://www.physicsforums.com/threads/electric-fields-magnitude-and-direction.765309/"
    If i understand this concept better now:

    E1 is facing opposite its source at +3 nC because it is a positive charge and the field flows out from the charge whereas -5 nC's vector points towards its source because it is negatively charged - field lines for negatively charged particles are pointing inward.

    Is that valid for all vector diagrams involving charge?

    Lesson 2.2 Homework Solutions-1_Page_4.jpg
     
  2. jcsd
  3. Jul 10, 2017 #2

    gneill

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    Staff: Mentor

    @chopnhack : Please be sure to use the formatting template when you create threads in any of the homework forums.

    Yes. The field lines due to a point charge always lie along a line joining the point of observation to the charge. The field's direction is as you stated: dependent on the sign of the charge.
     
  4. Jul 10, 2017 #3
    Thanks mate, it took me a bit, being thick an all... I can tell you homework is a fair deal easier now!
     
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