A vibrating-sample magnetometer is a scientific instrument that measures magnetic properties based on Faraday's Law of Induction. Simon Foner at MIT Lincoln Laboratory invented VSM in 1955 and reporte
VSM setup
Electromagnetic induction or magnetic induction is the production of an electromotive force across an electrical conductor in a changing magnetic field.
A current clamp
Hawkins Electrical Guide Figure 292 Eddy currents in a solid armature
Hawkins Electrical Guide Figure 293 Armature core with a few laminations showing effect on eddy currents
Small DC Motor pole laminations and overview