initial commit / add all books

24 files changed, 144 insertions, 0 deletions

diff --git a/620/CH20/EX20.1/example20_1.sce b/620/CH20/EX20.1/example20_1.sce
new file mode 100644
index 000000000..72a0de0f4
--- /dev/null
+++ b/620/CH20/EX20.1/example20_1.sce
@@ -0,0 +1,5 @@
+vp=28.28;

+i=10*10^(-3);

+v=vp/(2*sqrt(2));

+x_l=v/i;

+disp("the opposition to current (in kΩ) is"); disp(x_l*10^(-3));
\ No newline at end of file
diff --git a/620/CH20/EX20.1/example20_1.txt b/620/CH20/EX20.1/example20_1.txt
new file mode 100644
index 000000000..daca05a73
--- /dev/null
+++ b/620/CH20/EX20.1/example20_1.txt
diff --git a/620/CH20/EX20.10/example20_10.sce b/620/CH20/EX20.10/example20_10.sce
new file mode 100644
index 000000000..31a6bf671
--- /dev/null
+++ b/620/CH20/EX20.10/example20_10.sce
@@ -0,0 +1,9 @@
+l1=8;

+l2=4;

+v=120;

+f=60;

+x_l1=2*%pi*f*l1;

+x_l2=2*%pi*f*l2;

+x_l=1/(1/x_l1+1/x_l2);

+i=v/x_l;

+disp("the total current (in mA) drawn from the supply is"); disp(i*10^3);
\ No newline at end of file
diff --git a/620/CH20/EX20.10/example20_10.txt b/620/CH20/EX20.10/example20_10.txt
new file mode 100644
index 000000000..e6280abcf
--- /dev/null
+++ b/620/CH20/EX20.10/example20_10.txt
@@ -0,0 +1,4 @@
+ 

+ the total current (in mA) drawn from the supply is   

+ 

+    119.36621  
\ No newline at end of file
diff --git a/620/CH20/EX20.11/example20_11.sce b/620/CH20/EX20.11/example20_11.sce
new file mode 100644
index 000000000..e8bc297b9
--- /dev/null
+++ b/620/CH20/EX20.11/example20_11.sce
@@ -0,0 +1,5 @@
+l=200*10^(-6);

+f=1.5*10^6;

+r=100;

+q=2*%pi*f*l/r;

+disp("the quality of the coil is"); disp(q);
\ No newline at end of file
diff --git a/620/CH20/EX20.11/example20_11.txt b/620/CH20/EX20.11/example20_11.txt
new file mode 100644
index 000000000..476b353d7
--- /dev/null
+++ b/620/CH20/EX20.11/example20_11.txt
@@ -0,0 +1,4 @@
+

+ the quality of the coil is   

+ 

+    18.849556  
\ No newline at end of file
diff --git a/620/CH20/EX20.12/example20_12.sce b/620/CH20/EX20.12/example20_12.sce
new file mode 100644
index 000000000..cddb1bd45
--- /dev/null
+++ b/620/CH20/EX20.12/example20_12.sce
@@ -0,0 +1,10 @@
+l=0.5;

+f=60;

+i=0.25;

+p=5;

+disp("Part a");

+r=p/i^2;

+disp("the ac resistance (in Ω) of the coil is"); disp(r);

+disp("part b");

+q=2*%pi*f*l/r;

+disp("the Q of the coil is"); disp(q);
\ No newline at end of file
diff --git a/620/CH20/EX20.12/example20_12.txt b/620/CH20/EX20.12/example20_12.txt
new file mode 100644
index 000000000..6e7b9a0a6
--- /dev/null
+++ b/620/CH20/EX20.12/example20_12.txt
diff --git a/620/CH20/EX20.2/example20_2.sce b/620/CH20/EX20.2/example20_2.sce
new file mode 100644
index 000000000..bff68f582
--- /dev/null
+++ b/620/CH20/EX20.2/example20_2.sce
@@ -0,0 +1,4 @@
+x_l=500;

+v=120;

+i=v/x_l;

+disp("the current (in A) that will flow through the coil is");disp(i);
\ No newline at end of file
diff --git a/620/CH20/EX20.2/example20_2.txt b/620/CH20/EX20.2/example20_2.txt
new file mode 100644
index 000000000..2b54cc7c4
--- /dev/null
+++ b/620/CH20/EX20.2/example20_2.txt
@@ -0,0 +1,3 @@
+the current (in A) that will flow through the coil is   

+ 

+    0.24  
\ No newline at end of file
diff --git a/620/CH20/EX20.3/example20_3.sce b/620/CH20/EX20.3/example20_3.sce
new file mode 100644
index 000000000..07a997568
--- /dev/null
+++ b/620/CH20/EX20.3/example20_3.sce
@@ -0,0 +1,4 @@
+x_l=1.5;

+i=70;

+v=i*x_l;

+disp("the voltage drop (in V) acoss the coil is"); disp(v);
\ No newline at end of file
diff --git a/620/CH20/EX20.3/example20_3.txt b/620/CH20/EX20.3/example20_3.txt
new file mode 100644
index 000000000..6e74e8e6a
--- /dev/null
+++ b/620/CH20/EX20.3/example20_3.txt
@@ -0,0 +1,3 @@
+ the voltage drop (in V) acoss the coil is   

+ 

+    105.  
\ No newline at end of file
diff --git a/620/CH20/EX20.4/example20_4.sce b/620/CH20/EX20.4/example20_4.sce
new file mode 100644
index 000000000..c36ba1161
--- /dev/null
+++ b/620/CH20/EX20.4/example20_4.sce
@@ -0,0 +1,10 @@
+v=120;

+f=60;

+l=5;

+disp("Part a");

+x_l=2*%pi*f*l;

+i=v/x_l;

+disp("the current (in mA) flowing is"); disp(i*10^3);

+disp("Part b");

+im=i*sqrt(2);

+disp("the equation for current is i = 0.091*sin(377t) A");
\ No newline at end of file
diff --git a/620/CH20/EX20.4/example20_4.txt b/620/CH20/EX20.4/example20_4.txt
new file mode 100644
index 000000000..87c243a11
--- /dev/null
+++ b/620/CH20/EX20.4/example20_4.txt
@@ -0,0 +1,9 @@
+Part a   

+ 

+ the current (in mA) flowing is   

+ 

+    63.661977  

+ 

+ Part b   

+ 

+ the equation for current is i = 0.091*sin(377t) A   
\ No newline at end of file
diff --git a/620/CH20/EX20.5/example20_5.sce b/620/CH20/EX20.5/example20_5.sce
new file mode 100644
index 000000000..7002a0ad7
--- /dev/null
+++ b/620/CH20/EX20.5/example20_5.sce
@@ -0,0 +1,6 @@
+f=10^3;

+v=10;

+i=50*10^(-3);

+x_l=v/i;

+l=x_l/(2*%pi*f);

+disp("the inductance of the coil (in mH) is"); disp(l*10^3);
\ No newline at end of file
diff --git a/620/CH20/EX20.5/example20_5.txt b/620/CH20/EX20.5/example20_5.txt
new file mode 100644
index 000000000..17c23c265
--- /dev/null
+++ b/620/CH20/EX20.5/example20_5.txt
@@ -0,0 +1,4 @@
+ 

+ the inductance of the coil (in mH) is   

+ 

+    31.830989  
\ No newline at end of file
diff --git a/620/CH20/EX20.6/example20_6.sce b/620/CH20/EX20.6/example20_6.sce
new file mode 100644
index 000000000..7c60597ff
--- /dev/null
+++ b/620/CH20/EX20.6/example20_6.sce
@@ -0,0 +1,10 @@
+v=10;

+l=10;

+r=100;

+f=60;

+disp("Part a");

+disp("the dc output voltage (in V) is"); disp(v);

+disp("Part b");

+x_l=2*%pi*f*l;

+vo=v*r/x_l;

+disp("the ac output voltage (in V) is"); disp(vo);
\ No newline at end of file
diff --git a/620/CH20/EX20.6/example20_6.txt b/620/CH20/EX20.6/example20_6.txt
new file mode 100644
index 000000000..5ad9fe9ca
--- /dev/null
+++ b/620/CH20/EX20.6/example20_6.txt
diff --git a/620/CH20/EX20.7/example20_7.sce b/620/CH20/EX20.7/example20_7.sce
new file mode 100644
index 000000000..a68acd8c4
--- /dev/null
+++ b/620/CH20/EX20.7/example20_7.sce
@@ -0,0 +1,17 @@
+p1=60;

+t=8;

+p2=9;

+amt=20;

+cost=0.08;

+disp("Part a");

+total=365*t*p1*cost/1000;

+disp("Cost (in $) to operate the incandescent lamp for a year is"); disp(total);

+disp("Part b");

+total2=365*t*p2*cost/1000;

+disp("Cost (in $ )to operate the fluorescent lamp for a year is"); disp(total2);

+disp("Part c");

+sav=total-total2;

+mon=amt*12/sav;

+t1=10000;

+t2=t1-365*t*mon/12;

+disp("the time (in hours) necessary for the energy savings is");disp(t2);
\ No newline at end of file
diff --git a/620/CH20/EX20.7/example20_7.txt b/620/CH20/EX20.7/example20_7.txt
new file mode 100644
index 000000000..74c7b713b
--- /dev/null
+++ b/620/CH20/EX20.7/example20_7.txt
diff --git a/620/CH20/EX20.8/example20_8.sce b/620/CH20/EX20.8/example20_8.sce
new file mode 100644
index 000000000..0792239d4
--- /dev/null
+++ b/620/CH20/EX20.8/example20_8.sce
@@ -0,0 +1,17 @@
+l1=4;

+l2=8;

+v=120;

+f=60;

+disp("Part a");

+x_l1=2*%pi*f*l1;

+x_l2=2*%pi*f*l2;

+x_l=x_l1+x_l2;

+disp("he total inductive inductance (in kΩ) is"); disp(x_l*10^(-3));

+disp("Part b");

+i=v/x_l;

+disp("the reading of ammeter (in mA) is"); disp(i*10^3);

+disp("Part c");

+v1=i*x_l1;

+v2=i*x_l2;

+disp("the voltage drop (in V) across 4 H coil is"); disp(v1);

+disp("the voltage drop (in V) across 8 H coil is"); disp(v2);
\ No newline at end of file
diff --git a/620/CH20/EX20.8/example20_8.txt b/620/CH20/EX20.8/example20_8.txt
new file mode 100644
index 000000000..9c41cc815
--- /dev/null
+++ b/620/CH20/EX20.8/example20_8.txt
diff --git a/620/CH20/EX20.9/example20_9.sce b/620/CH20/EX20.9/example20_9.sce
new file mode 100644
index 000000000..28d4d2901
--- /dev/null
+++ b/620/CH20/EX20.9/example20_9.sce
@@ -0,0 +1,20 @@
+l1=4;

+l2=8;

+k=0.6;

+f=60;

+disp("Part a"); 

+m=k*sqrt(l1*l2);

+x_m=2*%pi*f*m;

+x_l1=2*%pi*f*l1;

+x_l2=2*%pi*f*l2;

+x_l=x_l1+x_l2+x_m;

+disp("the total inductive reactance (in kΩ) is");disp(x_l*10^(-3));

+disp("Part b");

+v=120;

+i=v/x_l;

+disp("the current (in mA) throught the coil is"); disp(i*10^3);

+disp("Part c");

+v1=i*(x_l1+x_m);

+disp("voltage (in V) across 4 H coil is"); disp(v1);

+v2=i*(x_l2+x_m);

+disp("voltage (in V) across 8 H coil is");disp(v2);
\ No newline at end of file
diff --git a/620/CH20/EX20.9/example20_9.txt b/620/CH20/EX20.9/example20_9.txt
new file mode 100644
index 000000000..d59d7e8fc
--- /dev/null
+++ b/620/CH20/EX20.9/example20_9.txt