Question

The max magnetic field strength of an electromagnetic field is 5 x 10^-6 T. Calculate the maximum electric field strength if the wave is traveling in a medium in which the speed of the wave is 0.75c

Answer 1

$E=v_0B=\frac{vB}{\sqrt{1-\frac{v^2}{c^2}}}=1.7~\frac{kN}C.$