Toroid|Questions

Magnetic field inside a long solenoid |Questions |Toroid

Toroid is

Toroid is a

Toroid |Magnetic force on moving charge |Difference between magnetic force and electric force |Note and questions

If a toroid uses bismuth for its core, will the field in the core be (slightly) greater or (slightly) less than when the core is empty?

A: If a toroid uses bismuth for its core, then the field in the core will be slightly less than when the core is empty. R: Bismuth is paramagnetic.

Toroid||Torque On Current Loop||Magnetic Dipole