The general equation for the electric and the magnetic field as per the electromagnetic theory is, \E\ = Emax. cos(kx – or) %3D B = Bmax. Cos (kx –or) The energy per unit volume in an electric field is. 1 UE 2 The energy per unit volume in a magnetic field is, 1 B? UM 2 Ho Also, the energy density and the total energy associated with the magnetic field and the 1 (E×B). Ho electric field are equal. The rate with the energy flows in an EM wave is S = - 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 ×10-14 J/m³ (b) 1.5 J/m? (с) 30x10-13 J/m> (d) 0.755 x10-14 J/m³

The general equation for the electric and the magnetic field as per the electromagnetic theory is, \E\ = Emax. cos(kx – or) %3D B = Bmax. Cos (kx –or) The energy per unit volume in an electric field is. 1 UE 2 The energy per unit volume in a magnetic field is, 1 B? UM 2 Ho Also, the energy density and the total energy associated with the magnetic field and the 1 (E×B). Ho electric field are equal. The rate with the energy flows in an EM wave is S = - 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 ×10-14 J/m³ (b) 1.5 J/m? (с) 30x10-13 J/m> (d) 0.755 x10-14 J/m³

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter24: Electromagnetic Waves

Section: Chapter Questions

Problem 10OQ

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