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value of the electric field is 2 mV/m and it is moving in the ty direction. The average density in the radiation is,

value of the electric field is 2 mV/m and it is moving in the ty direction. The average density in the radiation is,

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The general equation for the electric and the magnetic field as per the electromagnetic theory is, E = Emax. cos (kx- ot) B= Bmax cos(kx- or The energy per unit volume in an electric field is, 1 The energy per unit volume in a magnetic field is, 1 B U 2 Ho Also, the energy density and the total energy associated with the magnetic field and the 1 electric field are equal. The rate with the energy flows in an EM wave is S = –(ExB). In the positive x direction, a plane EM wave varies sinusoidally at 99 MHz and the peak value of the electric field is 2 mV/m and it is moving in the ±y direction. The average density in the radiation is, (a) 1.75 x10-14 J/m² (b) 1.5 J/m (c) 30x10-13 J/m (d) 0.755 x10-14 J/m³
Transcribed Image Text:The general equation for the electric and the magnetic field as per the electromagnetic theory is, E = Emax. cos (kx- ot) B= Bmax cos(kx- or The energy per unit volume in an electric field is, 1 The energy per unit volume in a magnetic field is, 1 B U 2 Ho Also, the energy density and the total energy associated with the magnetic field and the 1 electric field are equal. The rate with the energy flows in an EM wave is S = –(ExB). In the positive x direction, a plane EM wave varies sinusoidally at 99 MHz and the peak value of the electric field is 2 mV/m and it is moving in the ±y direction. The average density in the radiation is, (a) 1.75 x10-14 J/m² (b) 1.5 J/m (c) 30x10-13 J/m (d) 0.755 x10-14 J/m³
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