An electromagnetic plane wave is propagating with an intensity I =1.0×10* Wm² in a medium with e=! 3 €, and u= Ho. The amplitude of the electric field inside the medium is x10' Vm (up to one decimal place). (E, = 8.85x10-12C²N'm², µ, = 47 x10-7 NA²,c= 3×10 ms1)
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