If an electromagnetic wave has its magnetic field oscillating in the vertical direction, the direction of oscillation of the electric field is
A)east-west.
B)horizontal.
C)vertical.
D)north-south.
E)circular.

Question

Quizplus · Accepted Answer

The electric field oscillates perpendicular to the magnetic field in an electromagnetic wave. If the magnetic field is vertical, the electric field must be horizontal.

If an Electromagnetic Wave Has Its Magnetic Field Oscillating in the Vertical