Question

Define electromagnetism

Answer 1

Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles. ... The other three fundamental interactions are the strong interaction, the weak interaction, and gravitation.

Answer 2

Electromagnetism is the branch of physics that deals with electricity and magnetism and the interaction between them. ... Electricity is produced by the changing of magnetic field. The phenomenon is also called "electromagnetic induction." Similarly the magnetic field is produced by motion of electric charges.

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