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(a) Write down expressions for the electric and magnetic fields of a sinusoidal plane electromagnetic wave...

  1. (a) Write down expressions for the electric and magnetic fields of a sinusoidal plane electromagnetic wave having a frequency of 3 GHz and traveling in the positive x direction. The amplitude of the magnetic field is 1 μT. b) Verify that E(x, t) = Ae^(i(kx-wt)) or B(x, t) = C sinkxsinwt is a solution of the one-dimensional wave equation; A and C are constants.

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