permanent magnet
physics
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
permanent magnet: a material that produces its own magnetic field at all times and cannot be switched off
physics
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
permanent magnet: a material that produces its own magnetic field at all times and cannot be switched off