C. How is EM created?

2 answers:

7 0

Electromagnetic waves are formed when an electric couples with a magnetic field Magnetic and electric fields of an electromagnetic wave are perpendicular to each other and to the direction of the wave.

Arada [10]3 years ago

6 0

EM is created by moving charges back and forth will produce oscillating electric and magnetic fields, and these travel at the speed of light

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