An electromagnetic wave travelling in x-direction is described by field equation \( E_y = 300 \sin \omega \left( t - \frac{x}{c} \right) \). If the electron is restricted to move in y-direction only with speed of \( 1.5 \times 10^6 \, \text{m/s} \) then ratio of maximum electric and magnetic forces acting on the electron is ______.
