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I am extremely confused about what boundary conditions are. One minute ago I was solving easy capacitor questions and the next minute I am being asked boundary condition questions and there is no such section in my textbook on boundary condition. I have some questions below if you could please explain from scratch/beginner level what boundary condition is and what the goal is.

I have some questions below you could use to explain what these conditions areā€¦ I have looked all over google and search various videos and I still cant find any information on them.


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The images don't say anything about boundary conditions. Could you be more specific about what you are being asked, and especially what you don't understand about it? –  David Z Mar 1 '12 at 18:53
    
those are questions, images are figures of the question. I dont know what boundary conditions are and how they are used to find the electric field at different regions with dielectrics –  user7918 Mar 2 '12 at 4:06
    
Someone may post an explanation here, but I really think your best bet is to find a textbook or other resource that explains what boundary conditions are. You may need to look in a textbook on differential equations, because that's really where the idea of boundary conditions comes from. –  David Z Mar 8 '12 at 20:20
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