Noun
a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet
Source: WordNetA device so formed around an iron core may act as an electromagnet, generating a strong, well-controlled magnetic field. Source: Internet
An infinitely long cylindrical electromagnet has a uniform magnetic field inside, and no magnetic field outside. Source: Internet
An electromagnet is made from a coil of wire that acts as a magnet when an electric current passes through it but stops being a magnet when the current stops. Source: Internet
A pickling plant was established on-site to clean the pipes and fittings.sfn Giant electromagnet Alpha I racetrack for uranium enrichment at Y-12 plant, Oak Ridge, Tennessee, circa 1944–45. Source: Internet
Electrodynamic An electrodynamic movement uses an electromagnet instead of the permanent magnet of the d'Arsonval movement. Source: Internet
However, unlike a permanent magnet that needs no power, an electromagnet requires a continuous supply of current to maintain the magnetic field. Source: Internet