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0 votes
0 answers
82 views

Electric Field felt at the origin of a hemisphere

I want to calculate the Electric Field that is felt at the origin $O$ provoked by a hemisphere of radius $R$ with uniform charge density $\sigma$. I used spherical coordinates: $\vec{r} = -R(\sin(\phi)...
ludicrous's user avatar
  • 653
2 votes
1 answer
126 views

What does it mean to say that "$h$ is a coordinate measured normal from the surface"? How does this work in practice?

I am currently studying the textbook Microwave Engineering, fourth edition, by David Pozar. Section Fields at a General Material Interface of chapter 1.3 FIELDS IN MEDIA AND BOUNDARY CONDITIONS says ...
The Pointer's user avatar
  • 4,322
4 votes
2 answers
2k views

Gauss' law and a half-cylinder

The question is: A half cylinder with the square part on the $xy$-plane, and the length $h$ parallel to the $x$-axis. The position of the center of the square part on the $xy$-plane is $(x,y)=(0,...
Arthur Sauer's user avatar