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//=====================================================================================
//Chapter 12 example 30
clc;clear all;
//variable declaration
f1 = 1*10^6; //frequency in Hz
f2 = 2*10^6; //frequency in Hz
C1 = 480*10^-12; //capacitance in F
C2 = 90*10^-12; //capacitance in F
R = 10; //resistance
//calculations
Cd = (C1-(4*C2))/3; //self capacitance of the coil in pF
Q1 = 1/(2*%pi*f1*(C1+Cd)*R); //the indicated or effective Q of the coil
Q11 = 1/(2*%pi*f1*(C1)*R); //the true Q of the first instrument
Q2 = 1/(2*(%pi)*f2*(C2+Cd)*R); //the indicated or effective Q for the second instrument
Q22 = 1/(2*(%pi)*f2*(C2)*R); //the true Q of the second instrument
//result
mprintf("the indicated or effective Q of the coil = %3.1f ",Q1);
mprintf("\nthe true Q of the first instrument = %3.3f",Q11);
mprintf("\nthe indicated or effective Q for the second instrument = %3.3f",Q2);
mprintf("\nthe true Q of the second instrument = %3.2f",Q22);
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