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Solved Problems-3

The electric field of a uniform plane wave propagating in the positive z-direction is given by,
Description: 37833.png
where, E0 is a constant. Find (a) the corresponding magnetic field Description: 37826.png, and (b) the Poynting vector. Evaluate the Poynting vector if E0 = 10 V/m.
(a) By Maxwell’s equation,
or, Description: 37818.png
Description: 37809.png
Hence, the magnetic field is given as,
Description: 37801.png
(b) The Poynting vector,
Description: 37789.png
Description: 37781.png
Description: 37773.png

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