An electromagnetic wave has:
1- A transverse electric field and a longitudinal magnetic field
2-A longitudinal electric field and a longitudinal magnetic field in phase with each other
3-A transverse electric field and a transverse magnetic field at right angles to each other
4-A transverse electric field and a transverse magnetic field parallel to each other
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the answer is (3) the electric and magnetic fields are perpendicular to the direction of propagation of the wave... so they are transverse fields...
the two fields are also perpendicular to each other all the time.
the two fields are also perpendicular to each other all the time.
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