A point source of e m radiation has an average power output

Last updated: 6/2/2023

A point source of e m radiation has an average power output of 60 W What is the maximum value of electric field at a distance 3 0 m from the source 1 27 16 V m 3 6 67 V m 2 20 V m 4 80 x 10 7 V m