updated the code

1 files changed, 11 insertions, 17 deletions

diff --git a/1445/CH2/EX2.22/Ex2_22.sce b/1445/CH2/EX2.22/Ex2_22.sce
index 5a3d218e3..992d68318 100644
--- a/1445/CH2/EX2.22/Ex2_22.sce
+++ b/1445/CH2/EX2.22/Ex2_22.sce
@@ -1,39 +1,33 @@
 //CHAPTER 2- STEADY-STATE ANALYSIS OF SINGLE-PHASE A.C. CIRCUIT
-//Example 22 // read it as example 21 in the book on page 2.75
+//Example 22 (mentioned as 'example 21' in the book)
 
+clc;
 disp("CHAPTER 2");
 disp("EXAMPLE 22");
 
 //VARIABLE INITIALIZATION
 L=0.1                           //in Henry
-C=8                             //in mf, multiply by 10^-6 to convert to f
-R=10                            //in ohms 
+C=8*10^-6                       //in Farad
+R=10                            //in Ohms 
 //SOLUTION
 
 //solution (i)
-//Resonance frequency for a series RLC circuitf = 1/2.π.sqrt(LC)
-fr=1/(2*%pi*sqrt(L*C*10^-6));
+fr=1/(2*%pi*sqrt(L*C));         //resonant frequency
 disp("SOLUTION (i)");
-disp(sprintf("For series circuit,Resonant frquency is %3.2f Hz",  fr)); 
+disp(sprintf("For series circuit, resonant frquency is %3f Hz",  fr)); 
 disp(" ");
 
 //solution (ii)
-//Q-factor is Q=w.L/R= 2.π,fr.L/R
 w=2*%pi*fr;
 Q=w*L/R; 
 disp("SOLUTION (ii)");
-disp(sprintf("The Q-factor at resonance is %3.2f kΩ", Q));
-// 
+disp(sprintf("The Q-factor at resonance is %3f kΩ", Q));
+
 //solution (iii)
-//Bandwidth, BW,  (f2-f1)=R/(2.π.L), where f1,f2 half power frequencies
-//f1=fr-BW/2
-//f2=fr+BW/2
 bw=R/(2*%pi*L);
-f1=fr-bw/2;
-f2=fr+bw/2;
+f1=fr+bw/2;
 disp("SOLUTION (iii)");
-disp(sprintf("half frequency 1 is  %3.2f Hz", f1));
-disp(sprintf("half frequency 2 is  %3.2f Hz", f2));//
-//
+disp(sprintf("Half power frequencies  are %3f Hz and %3f Hz", f1,fr));
+
 //END