initial commit / add all books

2 files changed, 26 insertions, 0 deletions

diff --git a/620/CH9/EX9.4/example9_4.sce b/620/CH9/EX9.4/example9_4.sce
new file mode 100644
index 000000000..e746edea7
--- /dev/null
+++ b/620/CH9/EX9.4/example9_4.sce
@@ -0,0 +1,26 @@
+v=12;

+c=1.5;

+t=10.5;

+i=10;

+disp("Part a");

+r=(v-vt)/i;

+disp("the internal resistance (in Ω) of the battery is"); disp(r);

+disp("Part b");

+p_v=(v-vt)*100/vt;

+disp("the voltage regulation (in V) is"); disp(p_v);

+disp("Part c");

+rl=2;

+il=v/(r+rl);

+disp("the current (in A) is"); disp(il);

+vl=v-il*r;

+disp("the terminal voltage (in V) of the battery is"); disp(vl);

+disp("Part d");

+disp("When the terminal voltage is one-half he no-load voltage , the load resistance equals the internal resistance (in Ω) of"); disp(r);

+disp("Part e");

+i1=5;

+vg=v+i1*r;

+disp("the terminal voltage (in V) of the generator is"); disp(vg);

+disp("Part f");

+t=20;

+i2=c/t;

+disp("the mount of current (in A) he fully charged cell can deliver is"); disp(i2);
\ No newline at end of file
diff --git a/620/CH9/EX9.4/example9_4.txt b/620/CH9/EX9.4/example9_4.txt
new file mode 100644
index 000000000..3f76b9cec
--- /dev/null
+++ b/620/CH9/EX9.4/example9_4.txt