//Ex:1.47
clc;
clear;
close;
I=10;// peak current in Amp
Irms=I/sqrt(2);// rms current in Amp
A=80*Irms^2;
printf("The the value of A = %f", A);
printf("\n power radiated=4000(pi*dl)^2/y^2");
printf("\n Where, y=wavelength & pi=3.14");