Which of the following is the direction of an electromagnetic wave having electric and magnetic field vectors E and B?
A) E
B) B
C) E + B
D) E × B
E) B × E

Question

Quizplus · Accepted Answer

The direction of an electromagnetic wave is given by the cross product of the electric and magnetic field vectors. Therefore, the correct choice is D, which represents the cross product symbolically as E × B.

Which of the Following Is the Direction of an Electromagnetic