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diff --git a/761/CH14/EX14.5/14_5.sce b/761/CH14/EX14.5/14_5.sce
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+clc;
+//page no 472
+//prob no. 14.5
+//Standard coaxial cable RG-8/U with 45 degree phase shift at 200MHz
+p=45;f=200*10^6;c=3*10^8;//Speed of light in m/s
+vf=0.66;//velo. factor for this line
+vp=vf*c;//Determination of propagation velo.
+wav=vp/f;//Determination of wavelength of signal
+//Determination of reqd length for 45 degree phase shift
+L=wav*(p/360);
+disp('m',L,'The length reqd for phase shift is');
+\ No newline at end of file