initial commit / add all books

10 files changed, 141 insertions, 0 deletions

diff --git a/2213/CH3/EX3.1/ex_3_1.sce b/2213/CH3/EX3.1/ex_3_1.sce
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index 000000000..1bed813cd
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+++ b/2213/CH3/EX3.1/ex_3_1.sce
@@ -0,0 +1,13 @@
+//Example 3.1 // ampere hour required
+clc;
+clear;
+close;
+//given data :
+r=5;//in cm
+S=4*%pi*r^2;
+t=0.005;//in mm
+d=10.5;
+m=S*t*d*10^-3;
+Z=(0.001118*3600)/1000;
+Amr=m/Z;
+disp(Amr,"ampere hour required,(Ampere-hour)= ")
diff --git a/2213/CH3/EX3.10/ex_3_10.sce b/2213/CH3/EX3.10/ex_3_10.sce
new file mode 100755
index 000000000..bed15fb66
--- /dev/null
+++ b/2213/CH3/EX3.10/ex_3_10.sce
@@ -0,0 +1,20 @@
+//Example 3.10 // quantity of electricity and time taken
+clc;
+clear;
+close;
+//given data :
+d=0.1;//in m
+l=.25;// in m
+Tc=2;// thickness of coating in mm
+D=8.9;//density of metal in gm/CC
+C_density=160;//in A/sq
+I_efficiency=0.9;
+S=%pi*d*l;
+m=S*Tc*10^-3*D*10^3;
+Z=30.43*10^-8;// in kg/C
+Q=(m/Z)/3600;// in A-h
+Q_dash=Q/I_efficiency;
+disp(Q_dash,"quantity of electricity,Q_dash(A-h) = ")
+I=C_density*S;
+t=Q_dash/I;
+disp(t,"time required,t(hours) = ")
diff --git a/2213/CH3/EX3.2/ex_3_2.sce b/2213/CH3/EX3.2/ex_3_2.sce
new file mode 100755
index 000000000..968774576
--- /dev/null
+++ b/2213/CH3/EX3.2/ex_3_2.sce
@@ -0,0 +1,16 @@
+//Example 3.2 // mass of copper deposited
+clc;
+clear;
+close;
+//given data :
+m=20;//in gm
+I=120;//in A
+t=10*60;//in sec
+t1=5*60;//in sec
+I1=100;//in A
+Cec=63.18/2;
+Cen=58.6/2;
+Z=m/(I*t);
+Z1=(Z*(Cec/Cen))*10^-3;
+m1=Z1*I1*t1;
+disp("mass of copper depsoited is "+string(m1)+"kg or "+string(round(m1*10^3))+"gm")
diff --git a/2213/CH3/EX3.3/ex_3_3.sce b/2213/CH3/EX3.3/ex_3_3.sce
new file mode 100755
index 000000000..5f067f2d2
--- /dev/null
+++ b/2213/CH3/EX3.3/ex_3_3.sce
@@ -0,0 +1,10 @@
+//Example 3.3 // mass of copper deposited
+clc;
+clear;
+close;
+//given data :
+Z=1.044*10^-8;//in kg/C
+I=40;//in A
+t=1*60*60;//in seconds
+m1=Z*I*t;
+disp("mass of copper depsoited is "+string(m1)+"kg or "+string((m1*10^3))+"gm")
diff --git a/2213/CH3/EX3.4/ex_3_4.sce b/2213/CH3/EX3.4/ex_3_4.sce
new file mode 100755
index 000000000..d758e7dff
--- /dev/null
+++ b/2213/CH3/EX3.4/ex_3_4.sce
@@ -0,0 +1,14 @@
+//Example 3.4 // thickness of copper deposited
+clc;
+clear;
+close;
+//given data :
+A=0.00025;//in m^2
+D=8900;//in kg/m^3
+Z=32.95*10^-8;//in kg/C
+I=1;//in A
+t=100*60;//in seconds
+m=Z*I*t;//in kg
+v=m/D;
+T=(v/A)*10^3;
+disp(T,"thickness of copper deposited,T(mm) = ")
diff --git a/2213/CH3/EX3.5/ex_3_5.sce b/2213/CH3/EX3.5/ex_3_5.sce
new file mode 100755
index 000000000..b9bdda980
--- /dev/null
+++ b/2213/CH3/EX3.5/ex_3_5.sce
@@ -0,0 +1,14 @@
+//Example 3.5 // thickness of copper deposited
+clc;
+clear;
+close;
+//given data :
+A=0.00025;//in m^2
+D=8900;//in kg/m^3
+Z=32.95*10^-8;//in kg/C
+I=1.5;//in A
+t=60*60;//in seconds
+m=Z*I*t;//in kg
+v=m/D;
+T=(v/A);
+disp("Thickness of copper deposited is "+string(T)+"m or "+string(T*10^3)+"mm")
diff --git a/2213/CH3/EX3.6/ex_3_6.sce b/2213/CH3/EX3.6/ex_3_6.sce
new file mode 100755
index 000000000..bc3aa7ce9
--- /dev/null
+++ b/2213/CH3/EX3.6/ex_3_6.sce
@@ -0,0 +1,16 @@
+//Example 3.6 // current
+clc;
+clear;
+close;
+//given data :
+m=50;// in gm
+t=2*60*60;// in sec
+ECE_silver=111.8*10^-8;// in kg C^-1
+atomic_weight1=108;// for silver
+atomic_weight2=63.5;//for copper
+valency=1;//for silver
+Ces=atomic_weight1/valency;// chemical equivalent of silver
+Cec=atomic_weight2/2;// chemical equivalent of copper
+Z=ECE_silver*(Cec/Ces);
+I=(m*10^-3)/(Z*t);
+disp(I,"current,I(A) = ")
diff --git a/2213/CH3/EX3.7/ex_3_7.sce b/2213/CH3/EX3.7/ex_3_7.sce
new file mode 100755
index 000000000..000b447b8
--- /dev/null
+++ b/2213/CH3/EX3.7/ex_3_7.sce
@@ -0,0 +1,15 @@
+//Example 3.7 // energy consumption
+clc;
+clear;
+close;
+//given data :
+a=500;// electrolytic cells
+I=6000;//in A
+t=40;//in hour/week
+Z=32.81*10^-8*3600;//in kg/A-h
+V=0.25;// in volts
+Ah=a*I*(t*52);// total number of ampere hour per annum
+Ao=Z*Ah*10^-3;// annual output in tonnes
+Ea=Ah*V*10^-3;// energy consumed per annum in kWh
+Et=Ea/Ao;
+disp(Et,"energy consumption,Et(kWh/tonne) = ")
diff --git a/2213/CH3/EX3.8/ex_3_8.sce b/2213/CH3/EX3.8/ex_3_8.sce
new file mode 100755
index 000000000..77f58b7fe
--- /dev/null
+++ b/2213/CH3/EX3.8/ex_3_8.sce
@@ -0,0 +1,9 @@
+//Example 3.8 // voltage
+clc;
+clear;
+close;
+//given data :
+Z=1.0384*10^-8;//in kg/C
+VbyZ=14.212*10^7;// in joules
+V=VbyZ*Z;
+disp(V,"voltage,V(volts) = ")
diff --git a/2213/CH3/EX3.9/ex_3_9.sce b/2213/CH3/EX3.9/ex_3_9.sce
new file mode 100755
index 000000000..49ea120fc
--- /dev/null
+++ b/2213/CH3/EX3.9/ex_3_9.sce
@@ -0,0 +1,14 @@
+//Example 3.9 // mass of aluminium
+clc;
+clear;
+close;
+//given data :
+ECE_silver=111*10^-8;//in kg/C
+Cew_silver=107.98;//chemical equivalent of silver
+Cew_al=27/3;//chemical equivalent of aluminium
+Z=(ECE_silver*Cew_al)/Cew_silver;
+C_efficiency=0.92;
+I=3000;//in A
+t=24*60*60;//in seconds
+m=Z*I*t*C_efficiency;
+disp(m,"mass of aluminium,,m(kg) = ")