Here's the problem:(adsbygoogle = window.adsbygoogle || []).push({});

http://img41.imageshack.us/my.php?image=efield3od.png

Can anyone give me a push in the right direction? I'm really stuck on two things - how does the cavity affect the problem (the hint doesn't really help me), and what does the geometry of the problem (since i'm giving 3 shapes) have to do with it?

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# Homework Help: Need some help with linear dielectrics

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