The above animation represents a traveling electromagnetic wave in the z-direction. The electric and magnetic field are represented with the magnetic
field not drawn to scale.
Which wave is the electric field and which one is the magnetic field? Start.
Answer: The red wave is the electric field and the blue wave is the magnetic field.
See Giancoli-PA: 22-3, Giancoli-SE: 27-1.
Physlet problem authored by Larry Martin and modified by Mario Belloni.