Permanent magnet
= Permanent magnet
A <permanent magnet> retains <magnetization> after the applied magnetizing <magnetic field> is removed. Its working <magnetic field> persists without a driving <electric current> in a winding.
= Permanent magnet
A <permanent magnet> retains <magnetization> after the applied magnetizing <magnetic field> is removed. Its working <magnetic field> persists without a driving <electric current> in a winding.