All Questions
3
questions
2
votes
1
answer
89
views
Can I replace a multipole expansion by a combination of separate dipoles?
If I want to be able to model a magnetic field flux density $\mathbf{B}$ from a magnetic source located at the origin at a position $\mathbf{r}$, it is my understanding that I can represent $\mathbf{B}...
- 21
-1
votes
3
answers
5k
views
Isn't magnetism governed by the inverse square law? [duplicate]
Why does magnetism appear to decay much faster than gravity with distance?
A clear indication of this is the fact that a magnet that in short distance able to overcome gravity and pick up some object,...
- 153
5
votes
3
answers
4k
views
Why does magnetic force vary in proportion to the cube of the distance instead of the square?
Magnetic forces vary from gravity and electromagnetic radiation (such as light) in that gravity and radiation diminish by the square of the distance from the source, but magnetism diminishes by the ...
- 4,494