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+
+
+                     // Example  11.8
+
+L=0.24;                   // Inductance
+C=3*10^-6;                // Capacitance
+R=150;                    // Resistance
+f=1/(2*%pi*sqrt(L*C));    // Frequency
+fo=f*sqrt(1-R^2*(C/L));   // Resonance Frequency
+disp(' Resonance Frequency = '+string(fo)+' Hz');
+
+Xl=2*%pi*fo*L;            // Indctive reactance
+Q=Xl/R;                   // Q-Factor
+disp(' Q-Factor is  = '+string(Q));
+
+Bw=fo/Q;                 // Band width
+disp(' Band width is = '+string(Bw)+' Hz');
+
+
+
+
+        // p 387    11.8
+
+
+