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I have no ideal how to do this problem. Can someone explain it to me? What formula would i use?
An isotropic quasimonochromatic point source radiates at a rate of 100 W. What is the flux density at a distance of 1 m? What are the amplitudes of the E and B fields at that point?
An isotropic quasimonochromatic point source radiates at a rate of 100 W. What is the flux density at a distance of 1 m? What are the amplitudes of the E and B fields at that point?