The ratio of the amplitude of the magnetic field to the amplitude of the electric field for electromagnetic wave propagation in a vacuum is equal to_____________
A. Unity
B. Speed of light in vacuum
C. Reciprocal of the speed of light in vacuum
D. The ratio of magnetic permeability to electrical susceptibility in a vacuum
Answer:C
The ratio of the amplitude of the magnetic field to the amplitude of the electric field for electromagnetic wave propagation in a vacuum is equal to_____________
A. Unity B. Speed of light in vacuum C. Reciprocal of the speed of light in vacuum D. The ratio of magnetic permeability to electrical susceptibility in a vacuum