The maximum magnitude of the magnetic field of a plane harmonic wave that propagates in vacuum is Bo= 2 x 10-6 T. What i s the maximum value of its Poynting vector? Smax Smax F P OSmax F OSmax 955.8 W/m2 2.66 × 10–9 W m2 478 W/m² 5.31 x 10 W/m²

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