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Describe the electric and magnetic fields of an electromagnetic wave.
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Describe the electric and magnetic fields of an electromagnetic wave.

User Jroonk
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The electric field and magnetic field of an electromagnetic wave are perpendicular (at right angles) to each other. They are also perpendicular to the direction of the EM wave. EM waves travel with a constant velocity of 3.00 x 108 ms-1 in vacuum.
User DavidGamba
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