The magnetic field amplitude in an electromagnetic wave in vacuum is related to the electric field amplitude by B =
A) $\frac { E } { c }$
B) $$\frac { E } { \sqrt { c } }$$
C)E
D) $E \sqrt { c }$
E)cE

Question

The magnetic field amplitude in an electromagnetic wave in vacuum is related to the electric field amplitude by B =
A) $\frac { E } { c }$ 
B) $$\frac { E } { \sqrt { c } }$$ 
C)E
D) $E \sqrt { c }$ 
E)cE

Quizplus · Accepted Answer

In a vacuum, the relationship between the electric field amplitude (E) and the magnetic field amplitude (B) in an electromagnetic wave is given by B = E/c, where c is the speed of light.

The Magnetic Field Amplitude in an Electromagnetic Wave in Vacuum Ec\frac { E } { c }cE​

The Magnetic Field Amplitude in an Electromagnetic Wave in Vacuum $\frac { E } { c }$