- #1
Conductivity
- 87
- 4
In the derivation of the electric field inside a non conducting sphere, We still use the permittivity of free space even though we are in a medium.
The same applies for ampere's law in a solid wire.
http://physics.bu.edu/~duffy/semester2/c15_inside.html
https://stuff.mit.edu/afs/athena/course/8/8.02-esg/Spring03/www/8.02ch24we.pdf
Why is that?
The same applies for ampere's law in a solid wire.
http://physics.bu.edu/~duffy/semester2/c15_inside.html
https://stuff.mit.edu/afs/athena/course/8/8.02-esg/Spring03/www/8.02ch24we.pdf
Why is that?