B = 12 x 10 sen(1.8 × 107x + 5.4 × 105t + 7)j + 6 × 10-ºcos(1.8 × 107x + 5.4 x 105t + 1/2)k,
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The magnetic field of a harmonic plane
where all quantities are expressed in the international system of measurements.
The averaged energy per unit of time and unit of area that this electromagnetic wave transports is:
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