Quick EM Q

  • Thread starter bon
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  • #1
bon
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Homework Statement



Explain the factors that determine the parallel and normal components of the elctric field near to the surface of a flat metal plate


Homework Equations





The Attempt at a Solution



No idea what this question wants..? Is it something to do with the smoothness of the plate?
 

Answers and Replies

  • #2
bon
559
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anyone>?
 
  • #3
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static electric field is always orthogonal to the surface (any surface e.g. a sphere), no parallel component.
simple explanation: if there was a parallel component, there would have been current in that direction. but there is no current, thus no parallel component.
 

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