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diff --git a/761/CH14/EX14.11/14_11.sce b/761/CH14/EX14.11/14_11.sce
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+clc;
+//page no 481
+//prob no. 14.10
+//A Tx deliver 100W to antenna through 45m coaxial cable  with loss=4dB/100m
+loss=4/100;L=45;Pout=100;
+loss_dB=L*loss;//Determination of loss in dB
+Pin_Pout=10^(loss_dB/10);
+//Determination of Tx power
+Pin=Pout*Pin_Pout;
+disp('W',Pin,'The transmitter power must be');
+\ No newline at end of file