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+//Page Number: 372
+//Example 7.5
+clc;
+//Given
+f=9D+9; //Hz
+C=2.5D-12; //F
+Gr=2D-4; //mho
+Ge=2.5D-5; //mho
+Ploss=18.5D+3; //W
+V0=5.5D+3; //V
+I0=4.5; //A
+
+//(i) Angular resonant frequency
+w=2*%pi*f;
+disp('rad/s',w,'Angular resonant frequency:');
+
+//(ii) Unloaded Q
+Qun=round((w*C)/Gr);
+disp(Qun,'Unloaded quality factor:');
+
+//(iii) Loaded Q
+Ql=round((w*C)/(Gr+Ge));
+disp(Ql,'Loaded quality factor:');
+
+//(iv) External Q
+Qe=(w*C)/Ge;
+disp(Qe,'External quality factor:');
+
+//(v) Circuit effciency
+n=1/(1+(Qe/Qun));
+disp('%',n*100,'Circuit effciency:');
+
+//(vi) Electronic effciency
+ne=1-(Ploss/(V0*I0));
+disp('%',ne*100,'Electronic effciency:');
+
+//Answer for external Q is given as 56.57 but it should be 5654.8