% This program plot a graph of frequency vs impedance in case of series
% resonance
clc;
clear all;
f = 100:1:400;
L = 6.34e-3;
C = 100e-6;
R = 100;
XL = 2*pi*f*L;
XC = 1./(2*pi*f*C);
Z = (R^2 + (XL - XC).^2).^0.5;
figure(1)
plot(f,Z)
title('\bf Impedance vs frequency plot for series resonance');
xlabel('\bf Supply frequency in Hz');
ylabel('\bf Impedance in Ohms');
Z = 1./(1./XL+1./XC);
figure(2)
plot(f,Z)
title('\bf Impedance vs frequency plot for parallel resonance');
xlabel('\bf Supply frequency in Hz');
ylabel('\bf Impedance in Ohms');
