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Flux through cylinder

  • Thread starter asi123
  • Start date
  • #1
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Homework Statement



Hey guys.

I have this question:

http://img122.imageshack.us/img122/2936/84391716.jpg [Broken]

I think that the flux through the top and bottom is zero and that because A does not have a component in the z axis direction.
So all that got left is the lateral area.
Well, I get 0 and I don't know why. I'm suppose to get 120, I obviously have a mistake and I don't know where.
Can I please have some help?

Thanks


Homework Equations





The Attempt at a Solution

 
Last edited by a moderator:

Answers and Replies

  • #2
Dick
Science Advisor
Homework Helper
26,258
618
The normal vector to your cylinder certainly isn't (1,0,0), is it?
 

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