Create a magnetic field whose energy is mostly outside of the assembly creating it

Question

I'm aware of a number of schemes to concentrate a magnetic field inside an area. Most obviously, the total field strength inside a solenoid is much greater than the total field strength outside of it. Is the reverse possible?

score 1 · Answer 1 · answered Apr 19 '17 at 03:09

1

Consider a hollow cylinder with current running along it. The inside has no magnetic field but the outside has magnetic field.

answered Apr 19 '17 at 03:09

Grant

11

Create a magnetic field whose energy is mostly outside of the assembly creating it

1 Answers1