Question

In an electromagnetic wave in free space the root mean square value of the electric field is E_rms = 6 V m ^-1. The peak value of the magnetic field is

(a) 2.83 x 10^-8 T

(b) 0.70 x 10^-8 T

(c) 4.23 x 10^-8 T

(d) 1.41 x 10^-8 T

Answer 1

Correct option (a) 2.83 x 10^-8 T

Explanation:

where B₀ is the peak value of magnetic field.