Write the expression (E and H) for a uniform plane wave propagating in simple media of (=4, =9) in the +x direction such that: The frequency is 10 MHz H is in the az direction and it reaches its +ve peak of 0.025 A/m at t=0&x=0.1 m a) Find k, vp, y, n, a and B b) Determine the polarization of the wave