initial commit / add all books

1 files changed, 33 insertions, 0 deletions

diff --git a/1445/CH1/EX1.3/ch1_ex_3.sce b/1445/CH1/EX1.3/ch1_ex_3.sce
new file mode 100644
index 000000000..ac66b8b3f
--- /dev/null
+++ b/1445/CH1/EX1.3/ch1_ex_3.sce
@@ -0,0 +1,33 @@
+//CHAPTER 1- D.C. CIRCUIT ANALYSIS AND NETWORK THEOREMS 
+//Example 3
+
+disp("CHAPTER 1");
+disp("EXAMPLE 3");
+
+//VARIABLE INITIALIZATION
+//converting star with points C, D and E into delta CDE
+//star values
+rc=3;
+rd=7;
+re=5;
+
+//SOLUTION
+//delta values
+r=(rc*rd)+(rd*re)+(re*rc);
+rcd=r/re; 
+rde=r/rc; 
+rec=r/rd; 
+req1=(8*rec)/(8+rec);          //equivalent resistance between C and E 
+req2=(6*rde)/(6+rde);          //equivalent resistance between D and E
+req3=(4*rcd)/(4+rcd);          //equivalent resistance between C and D
+req4=req2+req3;              
+req5=(req1*req4)/(req1+req4); 
+req6=req5+4.6;              
+req7=(req6*7.6)/(req6+7.6); 
+disp(sprintf("The equivalent resistance between points A and B is %f Ω",req7));
+
+//END
+
+
+
+