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+//Page Number: 369
+//Example 7.1
+clc;
+//Given
+f=10D+9; //Hz
+C=2.5D-12; //F
+Gr=2D-4; //mho
+Ge=0.025D-3; //mho
+Ploss=18.5D+3; //W
+V0=5.5D+3; //V
+I0=4.5; //A
+
+w=2*%pi*f;
+
+//(i) Unloaded Q
+Qun=(w*C)/Gr;
+disp(Qun,'Unloaded quality factor:');
+
+//External Q
+Qe=(w*C)/Ge;
+disp(Qe,'External quality factor:');
+
+//(ii) Circuit effciency
+n=1/(1+(Qe/Qun));
+disp('%',n*100,'Circuit effciency:');
+
+//Electronic effciency
+ne=1-(Ploss/(V0*I0));
+disp('%',ne*100,'Electronic effciency:');
+
+//Answer for Qe is given as 6285.6 but it should be 6283.1