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Why is light called electromagnetic waves?

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The voltage this generates is amplified by your TV. At the TV transmitter the same happens in reverse: an oscillating voltage is applied to the TV transmitter, the electrons oscillate in response and the oscillation generates an electromagnetic wave. read more

Light is called an 'electromagnetic wave' for historical reasons* in the following sense: It turned out that the effects of visible light and other radiation can be calculated using Maxwell's equations, which are also used to model the behaviour of electrically charged particles. read more

Don't answer that electric and magnetic fields are perpendicular. The electric field, and the magnetic field are different aspects of the same thing. That thing is called the electromagnetic field (because it is both electric and magnetic). read more

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