MRI magnet is a
MRI uses a Superconducting magnet which is kept cool using Helium. A superconducting MRI magnet comprises a steel cryostat with the superconducting coils immersed in liquid helium at 4.2 Kelvin (-269degC or -452degF).
Ferromagnet
Paramagnet
Simple magnet
Superconducting-magnet
Magnetic Resonance Imaging