The amplitude of the magnetic field of a harmonic electromagnetic wave in vacuum is $B_o= 610 nT$. The amplitude of the electric field of the wave is:

$5 × 10^{14} NC^{-1}$ $203 × 10^{-17} NC^{-1}$ $183 NC^{-1}$ $610 NC^{-1}$

$183 NC^{-1}$

The correct answer is Option (3) → $183 NC^{-1}$