Electromagnetism
[n] the branch of physics concerned with electromagnetic phenomena
[n] magnetism produced by an electric current; "electromagnetism was discovered when it was observed that a copper wire carrying an electric current can magnetize pieces of iron or steel near it"
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diamagnetism, ferromagnetism, gilbert, hysteresis, hysteresis curve, magnetic circuit, magnetic conductivity, magnetic creeping, magnetic curves, magnetic dip, magnetic elements, magnetic figures, magnetic flux, magnetic friction, magnetic hysteresis, mag