is produced through electromagnetic waves
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Electromagnetic waves are created by oscillating charges (which radiate whenever accelerated) and have the same frequency as the oscillation. Since the electric and magnetic fields in most electromagnetic waves are perpendicular to the direction in which the wave moves, it is ordinarily a transverse wave.
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The electric field (E) propagates away from the antenna at the speed of light, forming part of an electromagnetic wave. The electric field (E) shown surrounding the wire is produced by the charge distribution on the wire. ... The electric and magnetic fields are closely related and propagate as an electromagnetic wave.
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