initial commit / add all books

1 files changed, 34 insertions, 0 deletions

diff --git a/1445/CH1/EX1.2/Ex1_2.sce b/1445/CH1/EX1.2/Ex1_2.sce
new file mode 100644
index 000000000..d9885ec94
--- /dev/null
+++ b/1445/CH1/EX1.2/Ex1_2.sce
@@ -0,0 +1,34 @@
+//CHAPTER 1- D.C. CIRCUIT ANALYSIS AND NETWORK THEOREMS 
+//Example 2
+
+disp("CHAPTER 1");
+disp("EXAMPLE 2");
+
+//VARIABLE INITIALIZATION
+//star values ra, rc and rd
+ra=2;                         //in Ohms
+rc=4;                         //in Ohms
+rd=3;                         //in Ohms
+r1=5;                         //in Ohms
+r2=4;                         //in Ohms
+r3=6;                         //in Ohms
+
+//SOLUTION
+//converting star with points A, C and D into delta ACD
+r=(ra*rc)+(rc*rd)+(rd*ra);     //'r' is the resistance that appears in the numerator of the equation of star-delta conversion
+
+//delta values rac, rcd and rad
+rac=r/rd;
+rcd=r/ra;
+rad=r/rc;
+req1=(r1*rad)/(r1+rad);        //equivalent resistance between A and D
+req2=(r2*rcd)/(r2+rcd);        //equivalent resistance between C and D
+req3=req1+req2;                //series combination of resistors
+req4=(req3*rac)/(req3+rac);    //parallel combination of resistors
+req5=req4+r3; 
+req6=(req5*7)/(req5+7);
+disp(sprintf("The eqivalent resistance between points A and B is %.2f Ω",req6));
+
+//END
+
+