In an electromagnetic wave the electric field vector E and magnetic field vector B are
A. Perpendicular to each other
B. Parallel to each other
C. at 45° to each other
D. can have any angle between them
Answer:A
In an electromagnetic wave the electric field vector E and magnetic field vector B are
A. Perpendicular to each other B. Parallel to each other C. at 45° to each other D. can have any angle between them