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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
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+// Exa 2.27
+clc;
+clear;
+close;
+// given :
+eta_0=377 // intrinsic impedance in free space in ohm
+disp("E=sin(omega*t-beta*z)ax+2*sin(omega*t-beta*z+75)ay // electric field in V/m")
+Ex=1// magnitude of Ex
+Ey=2 // magnitude of Ey
+E=sqrt(Ex^2+Ey^2) // resultant magnitude
+Pav=(1/2)*E^2/(eta_0) // power per unit area conveyed by the wave in free space
+disp(Pav*1000,"power per unit area conveyed by the wave in free space in mW/m^2:")