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Q#1 Plane Waves GATE EC 1992 NAT +2 marks -0 marks

A uniform plane wave travelling in free space along the +z direction and having its electric field along the x-direction, is normally incident on a thick brass sheet, infinite in extent along the x-and y-directions). The electric field intensity of the wave is given by

 volts/metre.

Calculate the power per square metre that causes heating of the brass sheet taking,  and  mhos/ metre for brass.

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