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//=====================================================================================
//Chapter 12 example 28
clc;clear all;
//variable declaration
f = 500*10^3; //resistance inHz
C = 120*10^-12; //capcaitance in F
R = 5; //resistance in Ω
r = 0.02; //resistance across oscilltory circuit in Ω
//calculations
w = 2*(%pi)*f;
Qt = 1/(w*C*R); //the true or effective Q of the coil
Qi = 1/(w*C*(R+r)); //the indicated or calculated Q of the coil
e = ((Qt-Qi)/(Qt))*100; //percentage error in %
//result
mprintf("percentage error =%3.2f percentage ",e);
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