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The phenomena of the interaction of electric currents or fields or magnetism fields 
the branch of physics concerned by electro magnetism
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There are 2 meanings of electromagnetism.
1.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"

2.The branch of physics concerned with electromagnetic phenomena.

These are the 2 meanings of electromagnetism.
HOPE THIS HELPS U........................^_^

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