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+clc;
+//page no 179
+//prob no. 5.2
+//A transmitter  with carrier power o/p 10W at efficiency 70% at 100% modulatn
+Po=10;eta=0.7;
+//Determination of dc power o/p
+Ps=Po/eta;
+disp('W',Ps,'The value of dc power input is');
+//Determination of audio power 
+Pa=0.5*Ps;
+disp('W',Pa,'The value of audio power is');
+\ No newline at end of file