updated the code

2 files changed, 73 insertions, 73 deletions

diff --git a/854/CH2/EX2.1/Example2_1.sce b/854/CH2/EX2.1/Example2_1.sce
index cb73e86e4..895c5274a 100755
--- a/854/CH2/EX2.1/Example2_1.sce
+++ b/854/CH2/EX2.1/Example2_1.sce
@@ -1,27 +1,27 @@
-//clear//

-//Caption:Program to Caculate force exerted on Q2 by Q1

-//Example2.1

-//page 29

-clc;

-r2 = [2,0,5];

-r1 = [1,2,3];

-R12 = norm(r2-r1);

-aR12 = UnitVector(r2-r1);

-disp(R12,'R12=')

-disp(aR12,'aR12=')

-Q1 = 3e-04; //charge 1 in Coulombs

-Q2 = -1e-04; //charge 2 in Coulombs

-Eps = 8.854e-12; //free space permittivity

-F2 = ((Q1*Q2)/(4*%pi*Eps*R12^2))*aR12;

-F1 = -F2;

-disp(F2,'Force exerted on Q2 by Q1 in N/m F2 =')

-disp(F1,'Force exerted on Q1 by Q2 in N/m F1 =')

-//Result

-//R12=   

-//   3.  

-//aR12=   

-//    0.3333333  - 0.6666667    0.6666667  

-//Force exerted on Q2 by Q1 in N/m F2 =   

-//  - 9.9863805    19.972761  - 19.972761   

-//Force exerted on Q1 by Q2 in N/m F1 =   

-//     9.9863805  - 19.972761    19.972761 

+clear
+//Caption:Program to Caculate force exerted on Q2 by Q1
+//Example2.1
+//page 29
+clc;
+r2 = [2,0,5];
+r1 = [1,2,3];
+R12 = norm(r2-r1);
+aR12 = (r2-r1)/R12;
+disp(R12,'R12=')
+disp(aR12,'aR12=')
+Q1 = 3e-04; //charge 1 in Coulombs
+Q2 = -1e-04; //charge 2 in Coulombs
+Eps = 8.854e-12; //free space permittivity
+F2 = ((Q1*Q2)/(4*%pi*Eps*R12^2))*aR12;
+F1 = -F2;
+disp(F2,'Force exerted on Q2 by Q1 in N/m F2 =')
+disp(F1,'Force exerted on Q1 by Q2 in N/m F1 =')
+//Result
+//R12=   
+//   3.  
+//aR12=   
+//    0.3333333  - 0.6666667    0.6666667  
+//Force exerted on Q2 by Q1 in N/m F2 =   
+//  - 9.9863805    19.972761  - 19.972761   
+//Force exerted on Q1 by Q2 in N/m F1 =   
+//     9.9863805  - 19.972761    19.972761
\ No newline at end of file
diff --git a/854/CH2/EX2.2/Example2_2.sce b/854/CH2/EX2.2/Example2_2.sce
index 38968b0f2..fa2f12650 100755
--- a/854/CH2/EX2.2/Example2_2.sce
+++ b/854/CH2/EX2.2/Example2_2.sce
@@ -1,46 +1,46 @@
-//clear//

-//Caption:Program to Caculate Electric Field E at P due to 4 identical charges

-//Example2.2

-//page 33

-clc;

-P = [1,1,1];

-P1 = [1,1,0];

-P2 = [-1,1,0];

-P3 = [-1,-1,0];

-P4 = [1,-1,0];

-R1 = norm(P-P1);

-aR1 = UnitVector(P-P1);

-R2  = norm(P-P2);

-aR2 = UnitVector(P-P2);

-R3  = norm(P-P3);

-aR3 = UnitVector(P-P3);

-R4  = norm(P-P4);

-aR4 = UnitVector(P-P4);

-disp(R1,'R1=')

-disp(aR1,'aR1=')

-disp(R2,'R2=')

-disp(aR2,'aR2=')

-disp(R3,'R3=')

-disp(aR3,'aR3=')

-disp(R4,'R4=')

-disp(aR4,'aR4=')

-Q = 3e-09; //charge  in Coulombs

-Eps = 8.854e-12; //free space permittivity

-E1 = (Q/(4*%pi*Eps*R1^2))*aR1;

-E2 = (Q/(4*%pi*Eps*R2^2))*aR2;

-E3 = (Q/(4*%pi*Eps*R3^2))*aR3;

-E4 = (Q/(4*%pi*Eps*R4^2))*aR4;

-E = E1+E2+E3+E4;

-disp(E,'Electric Field Intesnity at any point P due to four identical Charges in V/m=')

-//Result

-//R1=      1.  

-//aR1=     0.    0.    1.  

-//R2=      2.236068  

-//aR2=     0.8944272    0.    0.4472136  

-//R3=      3.  

-//aR3=     0.6666667    0.6666667    0.3333333  

-//R4=      2.236068  

-//aR4=     0.    0.8944272    0.4472136  

-//Electric Field Intesnity at any point P due to four identical Charges in V/m=   

-//  6.8206048    6.8206048    32.785194  

-// 

+clear//
+//Caption:Program to Caculate Electric Field E at P due to 4 identical charges
+//Example2.2
+//page 33
+clc;
+P = [1,1,1];
+P1 = [1,1,0];
+P2 = [-1,1,0];
+P3 = [-1,-1,0];
+P4 = [1,-1,0];
+R1 = norm(P-P1);
+aR1 = (P-P1)/R1;
+R2  = norm(P-P2);
+aR2 = (P-P2)/R2;
+R3  = norm(P-P3);
+aR3 = (P-P3)/R3;
+R4  = norm(P-P4);
+aR4 = (P-P4)/R4;
+disp(R1,'R1=')
+disp(aR1,'aR1=')
+disp(R2,'R2=')
+disp(aR2,'aR2=')
+disp(R3,'R3=')
+disp(aR3,'aR3=')
+disp(R4,'R4=')
+disp(aR4,'aR4=')
+Q = 3e-09; //charge  in Coulombs
+Eps = 8.854e-12; //free space permittivity
+E1 = (Q/(4*%pi*Eps*R1^2))*aR1;
+E2 = (Q/(4*%pi*Eps*R2^2))*aR2;
+E3 = (Q/(4*%pi*Eps*R3^2))*aR3;
+E4 = (Q/(4*%pi*Eps*R4^2))*aR4;
+E = E1+E2+E3+E4;
+disp(E,'Electric Field Intesnity at any point P due to four identical Charges in V/m=')
+//Result
+//R1=      1.  
+//aR1=     0.    0.    1.  
+//R2=      2.236068  
+//aR2=     0.8944272    0.    0.4472136  
+//R3=      3.  
+//aR3=     0.6666667    0.6666667    0.3333333  
+//R4=      2.236068  
+//aR4=     0.    0.8944272    0.4472136  
+//Electric Field Intesnity at any point P due to four identical Charges in V/m=   
+//  6.8206048    6.8206048    32.785194  
+//
\ No newline at end of file