The electric field component of a uniform plane wave in air emitted by a mobile communication system is given by E(x,y, t) = 2100 cos(wt + 4.8TX-3.6 y + θ) mV/m0
(a) Find the frequency f and wavelength λ.
(b) Find θ if E(x, y, t) = 280.9 maV/rn at t = 0 and at y = 2x = 0.2 m.
(c) Find the corresponding magnetic field H(x.y.t)
d) Find the time-average power density carried by this wave.0
