Aplane monochromatic radio wave (λ = 0.4 m) travels in vacuum along the positive x-axis, with a time-averaged intensity i = 25 w/m2. suppose at time t = 0, the electric field at the origin is measured to be directed along the positive y-axis with a magnitude equal to its maximum value. what is bz, the magnetic field at the origin, at time t = 2 ns? bz =
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= Permittivity of free space = 
= Wavelength = 0.4 m
= Electric field
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Aplane monochromatic radio wave (λ = 0.4 m) travels in vacuum along the positive x-axis, with a time...
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