Added new codeHEADmaster

23 files changed, 578 insertions, 0 deletions

diff --git a/3871/CH3/EX3.1/Ex3_1.sce b/3871/CH3/EX3.1/Ex3_1.sce
new file mode 100644
index 000000000..eb2112613
--- /dev/null
+++ b/3871/CH3/EX3.1/Ex3_1.sce
@@ -0,0 +1,16 @@
+//===========================================================================

+//chapter 3 example 1

+

+clc;

+clear all;

+

+//variable declaration

+Am      = 10.25;                //measured value in Ω

+A       = 10.22;                //True value in Ω

+

+//calculations

+dA      = Am-A;                 //absolute error in Ω

+

+//result

+mprintf("abslotue error = %3.2f Ω",dA);

+

diff --git a/3871/CH3/EX3.10/Ex3_10.sce b/3871/CH3/EX3.10/Ex3_10.sce
new file mode 100644
index 000000000..567b91878
--- /dev/null
+++ b/3871/CH3/EX3.10/Ex3_10.sce
@@ -0,0 +1,24 @@
+//===========================================================================

+//chapter 3 example 10

+

+clc;clear all;

+

+//variable declaration

+R      = 100;        //resistance in Ω

+dR     = 0.2;        //resistancce error in Ω(ranging + to -)

+I      = 2;          //current in A

+dI     = 0.01;       //error in current in A(ranging + to -)

+

+//calaculatons

+eR     = (dR/(R))*100;    //percentage limiting error to resistance in %(ranging + to -)

+eI     = (dI/(I))*100;    //percentage limiting error to current in %(ranging + to -)

+P      = (I^2)*R;             //power dissioation in W

+eP     = (2*eI)+eR;            //worst ossible combination of errors the limiting error in the power dissipation in %

+p      = (eP*10^-2)*P;                 //error in power in watts

+P1     = P+p;                   //power dissipation in W

+P2     =P-p;                   //power dissipation in W

+

+//result

+mprintf("limiting error = %3.2f percentage',eP);

+mprintf("\npower dissipation %3.2f W %3.2f W",P2,P1);

+

diff --git a/3871/CH3/EX3.11/Ex3_11.sce b/3871/CH3/EX3.11/Ex3_11.sce
new file mode 100644
index 000000000..114fa25cd
--- /dev/null
+++ b/3871/CH3/EX3.11/Ex3_11.sce
@@ -0,0 +1,15 @@
+//===========================================================================

+//chapter 3 example 11

+

+clc;clear all;

+

+//variable declaration

+V      = 200;       //full-scale reading i V

+n      = 100;       //number of divivsions of scale

+

+//calculations

+n1     = V/(n);     //1 scale division in V

+R      = n1/(5);    //1/5 th of scale division in V

+

+//result

+mprintf("resolution = %3.2f V",R);

diff --git a/3871/CH3/EX3.12/Ex3_12.sce b/3871/CH3/EX3.12/Ex3_12.sce
new file mode 100644
index 000000000..0119b6f19
--- /dev/null
+++ b/3871/CH3/EX3.12/Ex3_12.sce
@@ -0,0 +1,19 @@
+//===========================================================================

+//chapter 3 example 12

+

+clc;clear all;

+

+//variable declaration

+u    = 150;         //capacitance in uF

+du   = 2.4;         //capacitance in uF

+v    = 120;         //capacitance in uF

+dv   = 1.5;         //capacitance in uF

+

+//calculations

+y    = u+v;         //resultant capacitance when capacitors are connectedd in parallel in uF

+dy   = du+dv;       //limiting error in uF(ranging + to -)

+er   = (dy/(y))*100;  //relative limiting error in %(ranging + to -)

+

+//result

+mprintf("limiting error of the resultant capacitance  = %3.2f percentage',er);

+

diff --git a/3871/CH3/EX3.13/Ex3_13.sce b/3871/CH3/EX3.13/Ex3_13.sce
new file mode 100644
index 000000000..c76ab75c4
--- /dev/null
+++ b/3871/CH3/EX3.13/Ex3_13.sce
@@ -0,0 +1,25 @@
+//===========================================================================

+//chapter 3 example 13

+clc;clear all;

+

+//variable declaration

+R1    = 1000;          //resistance in Ω

+R2    = 500;           //resistance in Ω

+eR1   = 1;          //error resistance

+eR2   = 1;          //error resistance

+

+//calculations

+R    = (R1*R2)/(R1+R2);        //resistance in Ω

+X    = R1*R2;

+Y    = R1+R2; 

+dX   = (eR1+eR2);            //error in X

+//dY   = (dR1/Y)+(dR2/Y);

+//dY   = (R1/Y)*(dR1/R1)+((R2/Y)*(dR2/R2)

+dY   = ((R1/(Y))*(eR1))+((R2/(Y))*(eR2));      //error in Y

+eP   = dX+dY;                                 //percentage error in equivaent parallel resistance in %

+e    = R*(eP/(100));                      //error(maximum ossible) in equivalent parallel resistance in Ω

+          

+          

+//result

+mprintf("percentage error  = %3.2f percentage",eP);

+mprintf("\nerror in equivalent parallel resistance = %3.2f Ω",e);

diff --git a/3871/CH3/EX3.14/Ex3_14.sce b/3871/CH3/EX3.14/Ex3_14.sce
new file mode 100644
index 000000000..0ceb1d0b7
--- /dev/null
+++ b/3871/CH3/EX3.14/Ex3_14.sce
@@ -0,0 +1,39 @@
+//===========================================================================

+//chapter 3 example 14

+

+clc;clear all;

+

+//variable declaration

+R1     = 200;                   //resistancce in Ω

+R2     = 100;                   //resistancce in Ω

+R3     = 50;                    //resistancce in Ω

+dR1     = 5;                   //change in resistancce(dR1/R1) in %

+dR2     = 5;                   //change in resistancce(dR2/R2) in %

+dR3     = 5;                    //change in resistancce(dR3/R3) in %

+y1      = 20000;  

+y2      = 5000;

+y3      = 10000;

+

+

+//calculations

+Rse    = R1+R2+R3;              //equivalent resistance in Ω

+R      = ((R1/(Rse))*(dR1))+((R2/(Rse))*(dR2))+((R3/(Rse))*(dR3));

+e      =  Rse*(R/(100));                   //relative limiting error  of series equivalent in Ω

+X      = R1*R2*R3;                 

+Y      = (R2*R3)+(R1*R3)+(R1*R2);

+RP     = X/(Y);                          //equivalent resistance in  Ω

+eX     = dR1+dR2+dR3;                            //error in X in %

+dy1     = dR1+dR2;                               //error(dy1/y1) n y1 in %

+dy2     = dR2+dR3;                               //error(dy2/y2) in y2 in %

+dy3     = dR3+dR1;                               //error(dy3/y3) in y3 in %

+eY      = ((y1/(Y))*(dy1))+((y2/(Y))*(dy2))+((y3/(Y))*(dy3));        //percentage error in %

+pemax      = eX+eY;                               //percentage error (maximum possible) in equivalent parallel resistance in %

+emax      = RP*(pemax/(100));              //error maximum possible in equivalent parallel resistance in Ω

+

+//result

+mprintf("equivalent resistance = %3.2f Ω",Rse);

+mprintf("\nrelative limiting error of series resistance  = %3.2f percentage",R);

+mprintf("\nrelative limiting error  of series equivalent = %3.2f Ω",e);

+mprintf("\npercentage error (maximum possible) in equivalent parallel resistance= %3.2f percetage",pemax);

+mprintf("\nerror maximum possible in equivalent parallel resistance =%3.4f Ω',emax);

+

diff --git a/3871/CH3/EX3.15/Ex3_15.sce b/3871/CH3/EX3.15/Ex3_15.sce
new file mode 100644
index 000000000..3161d5be4
--- /dev/null
+++ b/3871/CH3/EX3.15/Ex3_15.sce
@@ -0,0 +1,22 @@
+//===========================================================================

+//chapter 3 example 15

+

+clc;clear all;

+

+//variable decelaration

+er     = 0.015;                  //limiting error 

+V    = 100;                      //range of voltmeter in V

+I   = 150;                       //range of ammeter in mA

+V1     = 70;                     //magnitude of voltage being measured in V

+I1     = 80;                     //magnitude of current being measured in mA

+

+//calculations

+dV   = er*V;                    //magnitude(dV/V of limiting error of the voltmeter in V

+eV     = (dV/(V1))*100;    //percentage(dI/I) limitng error at this voltage in %

+dI     = er*I;                  //magnitude of limitng error off the ammeter  in mA

+eI     = (dI/(I1))*100;    //percentage limitng error at this current in %

+P      = V1*(I1/(1000));                 //power in W

+dPx    = eV+eI;           //relative limiting error(dPx/Px) in power measurement in %

+

+//result

+mprintf("relative limitng error in power measurement= %3.4f percentage",dPx);

diff --git a/3871/CH3/EX3.16/Ex3_16.sce b/3871/CH3/EX3.16/Ex3_16.sce
new file mode 100644
index 000000000..bdebb00e1
--- /dev/null
+++ b/3871/CH3/EX3.16/Ex3_16.sce
@@ -0,0 +1,22 @@
+

+//===========================================================================

+//chapter 3 example 16

+

+clc;clear all;

+

+//variable declaration

+E     =200;          //limiting voltage in V

+R     = 1000;        //resistance in  Ω

+eE    = 1;           //relative limiting error(dE/E) in %

+eR    = 5;           //relative limting error(dR/R) in %

+

+//calculations

+P     = (E**2)/(R);      //normal power consumed in W

+eP    = ((2*eE)+eR);            //relative limiting error(dP/P) in measurement of power in %

+dP    = P*(eP/(100));                  //limitng error of power in watts

+

+//result

+mprintf("Normal power consumed = %3.2f W",P);

+mprintf("\nrelative limitng error in power measurement= %3.2f percentage rangng +eP to -eP",eP);

+mprintf("\nlimitng error of power = %3.2f percentage",dP);

+

diff --git a/3871/CH3/EX3.17/Ex3_17.sce b/3871/CH3/EX3.17/Ex3_17.sce
new file mode 100644
index 000000000..2623a1f4b
--- /dev/null
+++ b/3871/CH3/EX3.17/Ex3_17.sce
@@ -0,0 +1,23 @@
+//===========================================================================

+//chapter 3 example 17

+clc;

+clear all;

+

+//variable declaration

+R1     = 500;       //resistance in Ω

+R2     = 615;       //resistance in Ω

+R3     = 100;       //resistance in Ω

+dR1    = 1;         //limiting error(dR1/R1) in %

+dR2    = 1;         //limiting error(dR1/R1) in %

+dR3    = 0.5;         //limiting error(dR1/R1) in %

+ 

+//calculations

+R4    = (R1*R2)/(R3);    //unknown resistance in Ω

+dR4   =dR1+dR2+dR3;          //relative error of unknown resistance in % ranging - to +

+e     = R4*(dR4/(100));   //limitng error in Ω

+

+//result

+mprintf("unknown resistance = %.2f Ω",R4);

+mprintf("\nrelative error of unknown resistance ranging - to + = %3.2f percentage ",dR4);

+mprintf("\nlimitng error = %3.2f Ω",e);

+

diff --git a/3871/CH3/EX3.18/Ex3_18.sce b/3871/CH3/EX3.18/Ex3_18.sce
new file mode 100644
index 000000000..251db7ea3
--- /dev/null
+++ b/3871/CH3/EX3.18/Ex3_18.sce
@@ -0,0 +1,34 @@
+//===========================================================================

+//chapter 3 example 18

+

+clc;clear all;

+

+//variable declartaion

+r   = 0.5*10^-3;        //in mm

+p1   = 200;        //in Pa

+p2   = 150;        //in Pa

+Q    = 4*10^-7;         //in m**3/s

+l    = 1;                //length in m

+dr    = 0.01;           

+dp1   = 3;

+dp2    = 2

+dQ    =0

+dl    =0;

+

+//calculations

+u   = ((%pi)*((r^4)*((p1*10^3)-(p2*10^3)))/((8*Q*l)));    //absolute error inkr/m-s

+er   = (dr/((r/(10^-3))))*100;                   //dr/r in %

+ep1   = (dp1/(p1))*100;                   //dp1/p1 in %

+ep2   = (dp2/(p2))*100;                   //dp2/p2 in %

+eQ   = (dQ/(Q))*100;                   //dQ/Q in %

+el   = (dl/(l))*100;                   //dl/l in %

+p    = p1-p2;                 //dp/p in Pa

+ep   = (((p1/(p))*(ep1))+(p2/(p))*(ep2));     //percentage error in % anging - to +

+eu    = (4*er)+(ep+eQ+el);             //percentage error in % ranging - to +

+ua     = u*(eu/100);                 //absolute error in kg/m-s

+

+//result

+

+mprintf("absolute error = %3.3e kg/m-s",u);

+mprintf("\nxabsolute error = %3.2e kg/m-s",ua);

+

diff --git a/3871/CH3/EX3.19/Ex3_19.sce b/3871/CH3/EX3.19/Ex3_19.sce
new file mode 100644
index 000000000..52c203443
--- /dev/null
+++ b/3871/CH3/EX3.19/Ex3_19.sce
@@ -0,0 +1,33 @@
+//===========================================================================

+//chapter 3 example 19

+

+clc;clear all;

+

+//variable declaration

+C    = 1*10^-6;       //capacitance in F

+dC   = 1;       //error capacitance in %

+P    = 1000;    //resistance in Ω

+dP   = 0.4;     //error in resistance in %

+Q    = 2000;    //resistance in Ω

+dQ   = 1;     //error in resistance in %

+S    = 2000;    //resistance in Ω

+dS   = 0.5;     //error in resistance in %

+r    = 200;    //resistance in Ω

+dr   = 0.5;    //error in resistance in %

+

+//calcukations

+Lx    = ((C*P)*((r*(Q+S))+(Q*S)))/(S);      //unknown inductance in Henry

+u     =Q+S;                    //in Ω

+du    = ((Q/(u))*(dQ))+((S/(u))*(dS));    //percentage error in %

+v     = r*(Q+S);       

+dv    = dr+du;         //percentage error of v in %

+x     = Q*S;  

+dx    = dQ+dS;        //percentage error of x in %

+y     = (r*(Q+S))+(Q*S);    

+dy    = ((v/(y))*(dQ))+((x/(y))*(dx));    //percentage error in %

+dLx     = dC+dP+dS+dy;

+

+//result

+mprintf("unknown inductance = %3.2f henry",Lx);

+mprintf("\npercentage error on inductance = %3.1f percentage",dLx);

+

diff --git a/3871/CH3/EX3.2/Ex3_2.sce b/3871/CH3/EX3.2/Ex3_2.sce
new file mode 100644
index 000000000..7fe9cebb4
--- /dev/null
+++ b/3871/CH3/EX3.2/Ex3_2.sce
@@ -0,0 +1,13 @@
+clc;

+clear all;

+

+//variable declaration

+Am      = 25.34;                 //measured value in watts

+dA      = -0.11;                 //absolute error in watts

+               

+

+//calculations

+A      = Am-dA;                  //True value in wtts

+

+//result

+mprintf("abslotue error = %3.2f watts",A);

diff --git a/3871/CH3/EX3.20/Ex3_20.sce b/3871/CH3/EX3.20/Ex3_20.sce
new file mode 100644
index 000000000..2c087da9d
--- /dev/null
+++ b/3871/CH3/EX3.20/Ex3_20.sce
@@ -0,0 +1,24 @@
+//===========================================================================

+//chapter 3 example 20

+

+clc;clear all;

+

+//variable declaration

+R    = 100;      //resistance in  Ω

+dR   = 5;       // error (dR/R) in %

+L   = 2;      //inductance 

+r     = 50;

+dL   = 10;       // error (dl/L) in %

+

+//calculations

+u    = R**2;      

+du    = 2*dR;     //percentage error(du/u) in %

+v     = ((2*(%pi)*(r))**2)*(L**2); 

+dv    =2*dL;     //percentage error(dv/v) in %

+x     = u+v;

+dx    =((u/(x))*(du))+((v/(x))*(dv));    //percentage error(dx/x)in %

+Z     = sqrt(x);

+dZ    = dx/(2);         //uncertanity (dZ/Z) in %

+

+//result

+mprintf("uncertanity in the measurement = %3.3f percentage",dZ);

diff --git a/3871/CH3/EX3.21/Ex3_21.sce b/3871/CH3/EX3.21/Ex3_21.sce
new file mode 100644
index 000000000..ebc84c89a
--- /dev/null
+++ b/3871/CH3/EX3.21/Ex3_21.sce
@@ -0,0 +1,28 @@
+//===========================================================================

+//chapter 3 example 21

+clc;clear all;

+

+//variable declaration

+x1   = 49.7;      //voltage in V

+x2   = 50.1;      //voltage in V

+x3   = 50.2;      //voltage in V

+x4   = 49.6;      //voltage in V

+x5   = 49.7;      //voltage in V

+n     =5;

+

+//ccalculations

+x   =(x1+x2+x3+x4+x5)/(5);    //arthimetic mean

+d1   =x-x1;       //deviation

+d2   =x-x2;       //deviation

+d3   =x-x3;       //deviation

+d4   =x-x4;       //deviation

+d5   =x-x5;       //deviation

+d     = (d1**2)+(d2**2)+(d3**2)+(d4**2)+(d5**2);

+sigma  = sqrt(d/(n-1));       //standard devation 

+

+//result

+mprintf("arthimetic mean = %3.2f ",x);

+mprintf("\nstandard deviation = %3.3f",sigma);

+

+

+

diff --git a/3871/CH3/EX3.22/Ex3_22.sce b/3871/CH3/EX3.22/Ex3_22.sce
new file mode 100644
index 000000000..5d31c698e
--- /dev/null
+++ b/3871/CH3/EX3.22/Ex3_22.sce
@@ -0,0 +1,39 @@
+//===========================================================================

+//chapter 3 example 22

+clc;clear all;

+

+//variable declaration

+x1   = 41.7;      //voltage in V

+x2   = 42;      //voltage in V

+x3   = 41.8;      //voltage in V

+x4   = 42;      //voltage in V

+x5   = 42.1;      //voltage in V

+x6   = 41.9;      //voltage in V

+x7   = 42.5;      //voltage in V

+x8   = 42;      //voltage in V

+x9   = 41.9;      //voltage in V

+x10   = 41.8;      //voltage in V

+n     =10;

+

+//ccalculations

+x   =(x1+x2+x3+x4+x5+x6+x7+x8+x9+x10)/(10);    //arthimetic mean

+d1   =x-x1;       //deviation

+d2   =x-x2;       //deviation

+d3   =x-x3;       //deviation

+d4   =x-x4;       //deviation

+d5   =x-x5;       //deviation

+d6   =x-x6;       //deviation

+d7   =x-x7;       //deviation

+d8   =x-x8;       //deviation

+d9   =x-x9;       //deviation

+d10   =x-x10;       //deviation

+d     = (d1^2)+(d2^2)+(d3^2)+(d4^2)+(d5^2)+(d6^2)+(d7^2)+(d8^2)+(d9^2)+(d10^2);

+sigma  = sqrt(d/(n-1));       //standard devation 

+r      = 0.6745*sigma;       //probable error of one reading 

+

+//result

+mprintf("arthimetic mean = %3.2f ",x);

+mprintf("\nstandard deviation = %3.3f",sigma);

+mprintf("\nprobable error of ne reading = %3.3f",r);

+

+

diff --git a/3871/CH3/EX3.23/Ex3_23.sce b/3871/CH3/EX3.23/Ex3_23.sce
new file mode 100644
index 000000000..7fef867ee
--- /dev/null
+++ b/3871/CH3/EX3.23/Ex3_23.sce
@@ -0,0 +1,42 @@
+//===========================================================================

+//chapter 3 example 23

+

+clc;clear all;

+

+//variable declaration

+x1   = 41.7;      //voltage in V

+x2   = 42;      //voltage in V

+x3   = 41.8;      //voltage in V

+x4   = 42;      //voltage in V

+x5   = 42.1;      //voltage in V

+x6   = 41.9;      //voltage in V

+x7   = 42.5;      //voltage in V

+x8   = 42;      //voltage in V

+x9   = 41.9;      //voltage in V

+x10   = 41.8;      //voltage in V

+n     =10;

+

+//ccalculations

+x   =(x1+x2+x3+x4+x5+x6+x7+x8+x9+x10)/(10);    //arthimetic mean

+d1   =x-x1;       //deviation

+d2   =x-x2;       //deviation

+d3   =x-x3;       //deviation

+d4   =x-x4;       //deviation

+d5   =x-x5;       //deviation

+d6   =x-x6;       //deviation

+d7   =x-x7;       //deviation

+d8   =x-x8;       //deviation

+d9   =x-x9;       //deviation

+d10   =x-x10;       //deviation

+d     = (d1**2)+(d2**2)+(d3**2)+(d4**2)+(d5**2)+(d6**2)+(d7**2)+(d8**2)+(d9**2)+(d10**2);

+sigma  = sqrt(d/(n-1));       //standard devation 

+r      = 0.6745*sigma;       //probable error of one reading 

+rm     = r/(sqrt(n-1));     //probable error of mean in V

+R      = x7-x1;        //range in V

+//result

+mprintf("arthimetic mean = %3.2f",x);

+mprintf("\nstandard deviation = %3.3f",sigma);

+mprintf("\nprobable error of one reading = %3.3f",r);

+mprintf("\nprobable error of mean = %3.5f V',rm);

+mprintf("\nRange = %3.2f V',R);

+

diff --git a/3871/CH3/EX3.24/Ex3_24.sce b/3871/CH3/EX3.24/Ex3_24.sce
new file mode 100644
index 000000000..e1e96f424
--- /dev/null
+++ b/3871/CH3/EX3.24/Ex3_24.sce
@@ -0,0 +1,43 @@
+//===========================================================================

+//chapter 3 example 24

+clc;clear all;

+

+//variable declaration

+x1   = 1.570;      //voltage in V

+x2   = 1.597;      //voltage in V

+x3   = 1.591;      //voltage in V

+x4   =1.562;      //voltage in V

+x5   =1.577;      //voltage in V

+x6   = 1.580;      //voltage in V

+x7   = 1.564;      //voltage in V

+x8   = 1.586;      //voltage in V

+x9   = 1.550;      //voltage in V

+x10   = 1.575;      //voltage in V

+n     =10;

+

+//ccalculations

+x   =(x1+x2+x3+x4+x5+x6+x7+x8+x9+x10)/(10);    //arthimetic mean

+d1   =x1-x;       //deviation

+d2   =x2-x;       //deviation

+d3   =x3-x;       //deviation

+d4   =x4-x;       //deviation

+d5   =x5-x;       //deviation

+d6   =x6-x;       //deviation

+d7   =x7-x;       //deviation

+d8   =x8-x;       //deviation

+d9   =x9-x;       //deviation

+d10   =x10-x;       //deviation

+D     =(abs(d1)+abs(d2)+abs(d3)+abs(d4)+abs(d5)+abs(d6)+abs(d7)+abs(d8)+abs(d9)+abs(d10))/(n);

+d     = ((d1^2)+(d2^2)+(d3^2)+(d4^2)+(d5^2)+(d6^2)+(d7^2)+(d8^2)+(d9^2)+(d10^2));

+sigma  = sqrt(d/(n-1));       //standard devation 

+r      = 0.6745*sigma;       //probable error of one reading 

+v      = sigma^2;

+rm     = r/(sqrt(n-1));     //probable error of mean in V

+

+//result

+mprintf("arthimetic mean = %3.3f",x);

+mprintf("\naverage deviation = %3.3f gramme",D);

+mprintf("\nstandard deviation = %3.5f gramme*2",sigma);

+mprintf("\nprobable error of one reading = %3.5f gramme",r);

+mprintf("\n variance= %3.3e gramme^2",v);

+mprintf("\nprobable error of mean = %3.4f gramme",rm);

diff --git a/3871/CH3/EX3.3/Ex3_3.sce b/3871/CH3/EX3.3/Ex3_3.sce
new file mode 100644
index 000000000..8f96ec025
--- /dev/null
+++ b/3871/CH3/EX3.3/Ex3_3.sce
@@ -0,0 +1,17 @@
+//===========================================================================

+//chapter 3 example 2

+

+clc;clear all;

+

+

+//variable declaration

+Am      = 205.3*10**-6;                //measured value in Ω

+A       = 201.4*10**-6;                //True value in Ω

+

+//calculations

+e0      = Am-A;                 //absolute error in Ω

+r       = (e0/(A))*100;          //relative error in %

+

+//result

+mprintf("abslotue error = %3.2e F ",e0);

+mprintf("\nrelative error = %3.2f percentage",r);

diff --git a/3871/CH3/EX3.4/Ex3_4.sce b/3871/CH3/EX3.4/Ex3_4.sce
new file mode 100644
index 000000000..03aa19196
--- /dev/null
+++ b/3871/CH3/EX3.4/Ex3_4.sce
@@ -0,0 +1,20 @@
+//===========================================================================

+//chapter 3 example 4

+clc;

+clear all;

+

+//variable declaration

+ep     =  5;            //percentage error 

+Am     = 20;            //measuredd value in H

+

+//calculations

+er     = ep/(100);     //relative error 

+//A = Am+dA

+//dA  = er*Am

+A     = Am*(1+er);            //limiting value of inductance in H

+A1    = Am*(1-er);            //limiting value of inductance in H

+

+//result

+mprintf("limits of inductance =%3.2f H",A);

+mprintf("\n and  = %3.2f H",A1);

+

diff --git a/3871/CH3/EX3.5/Ex3_5.sce b/3871/CH3/EX3.5/Ex3_5.sce
new file mode 100644
index 000000000..13bbea96e
--- /dev/null
+++ b/3871/CH3/EX3.5/Ex3_5.sce
@@ -0,0 +1,21 @@
+//===========================================================================

+//chapter 3 example 5

+clc;

+clear all;

+

+//variable declaration

+er      = 1.5*10^-2;                   //accuracy 

+A1       = 10;                           //current in A

+A2      = 2.5;                          //current in A

+

+//calculations

+dA      = er*A1;                        //magnitude of limiting error of the instrument 

+er1      = dA/(A2);                //magnitude of current 

+A11      = A2*(1+er1);                   //current in A

+A12      = A2*(1-er1);                   //current in A

+er2      = (dA/(A2))*100;                //limiting error in %

+

+//result

+mprintf("limiting values of current  =%3.2f A and  %3.2f",A11,A12);

+mprintf("\nlimiting error = %3.1f percentage',er2);

+

diff --git a/3871/CH3/EX3.6/Ex3_6.sce b/3871/CH3/EX3.6/Ex3_6.sce
new file mode 100644
index 000000000..bb2f9fd2a
--- /dev/null
+++ b/3871/CH3/EX3.6/Ex3_6.sce
@@ -0,0 +1,16 @@
+//===========================================================================

+//chapter 3 example 6

+

+clc;clear all;

+

+//variable declaration

+e      = 0.01;           //acuuracy

+v      = 150;            //voltage in V

+v1     = 83;             // measured voltage  in V

+

+//calculations

+dV     = e*v;                   //magnitude of the limiting error of the instrument in V

+er     = (dV/(v1))*100;    //percentage  limiting error at v1 voltage in %

+

+//result

+mprintf("limmiting error in case of 83V is = %3.2f percentage',er);

diff --git a/3871/CH3/EX3.7/Ex3_7.sce b/3871/CH3/EX3.7/Ex3_7.sce
new file mode 100644
index 000000000..d482a921a
--- /dev/null
+++ b/3871/CH3/EX3.7/Ex3_7.sce
@@ -0,0 +1,18 @@
+//===========================================================================

+//chapter 3 example 7

+

+

+clc;clear all;

+

+//variable declaration

+er     = 0.01;              // limiting error 

+P      = 1000;              //power in watts

+P1     = 100;               // true power in watts

+

+//calculations

+dP     = er*P;              //magnitude of instrument error of the instrument watts

+eP     = (dP/(P1))*100;     //percentage limiting error at 100 W power in %

+

+//result

+mprintf("percentage limiting error at 100 W power = %3.2f percentage',eP);;

+

diff --git a/3871/CH3/EX3.9/Ex3_9.sce b/3871/CH3/EX3.9/Ex3_9.sce
new file mode 100644
index 000000000..4aba39803
--- /dev/null
+++ b/3871/CH3/EX3.9/Ex3_9.sce
@@ -0,0 +1,25 @@
+//===========================================================================

+//chapter 3 example 9

+

+clc;clear all;

+

+//variable declaration

+v      = 110.2;          //voltage drop in V

+i      = 5.3;            //current in A

+v1     = 0.2;            //uncertainity in measurements in V

+i1     = 0.6;            //uncertanity in measurments in A

+

+//calculations

+erv     =  (v1/(v))*100;     //limiting error to voltage drop in %(ranging + to -)

+eri     = (i1/(i))*100;      //limitng error in currrent in %(ranging + to -)

+P       = v*i;                    //power dissipated in the resistor in W

+eP      = (erv+eri);              //limting error in the power dissipation in %(ranging + to -)

+p       = eP*P*10^-2;                   //power with limiting error in W

+e       = erv+eri;                      //limiting error in power dissipation

+P1      = P+p;                    //power dissipation is given in W

+P11     = P-p;                    //power dissipation is given in W

+

+//result

+mprintf("power dissipated = %3.2f W',P);

+mprintf("\nlimiting error in the power dissipation = %3.1f percentage",e)

+mprintf("\nuncertanity in power ranging in %3.2f W to %3.2f",P11,P1);