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+clc;

+// page no 21

+// prob no 1_5_1

+//Series tuned resonant ckt is given which is tuned at 25 MHz with 

+//series resistance 5 ohm self capacitance 7 pF and inductance 1 uH 

+C=7*10^-12;R=5;L=10^-6;f=25*10^6;

+//Determination of self resonant freq of coil denoted as Fsr

+Fsr=1/(2*3.14*(L*C)^0.5);

+disp('MHz',Fsr/(10^6),+'The value of self resonant freq is');

+//Determination of Q-factor of coil,excluding self-capacitive effects

+Q=(2*3.14*f*L)/R;

+disp(Q,'The value of Q-factor is');

+//Determination of effective inductance

+Leff=L/(1-(f/Fsr)^2);

+disp('uH',Leff*(10^6),+'The value of effective inductance is');

+//Determination of effective Q-factor

+Qeff=Q*(1-(f/Fsr)^2);

+disp(Qeff,'The value of effective Q-factor is');
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