From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 1319/CH2/EX2.9/2_9.sce | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 1319/CH2/EX2.9/2_9.sce

(limited to '1319/CH2/EX2.9/2_9.sce')

diff --git a/1319/CH2/EX2.9/2_9.sce b/1319/CH2/EX2.9/2_9.sce
new file mode 100644
index 000000000..1f0a7c645
--- /dev/null
+++ b/1319/CH2/EX2.9/2_9.sce
@@ -0,0 +1,48 @@
+// Superposition Principle to determine current in branch
+
+clc;
+clear;
+
+//Order of resistances from left to right in the circuit
+r1=2;
+r2=12;
+r3=1;
+r4=2;
+r5=3;
+
+V1=2;
+V2=4;
+
+// We now short circuit by removing one source and consider the rest of the cicuit
+// Hence we will have two cases
+
+//Case 1 4V supply removed and shorted
+
+//Resistances between respective nodes.
+rab1=(r4*r5)/(r4+r5);
+rac1=rab1+r3;
+rcd1=(rac1*r2)/(rac1+r2);
+
+Reff1=rcd1+r1;// Effective resistance in case 1
+
+I1=V1/Reff1; // Current from the 2V source
+
+Iac1=I1*(r2/(r2+rac1));
+Iab1=Iac1*(r5/(r5+r4)); //Current in AB from 2V source
+
+//Case 2 2V supply removed and shorted
+
+//Resistances between respective nodes.
+rcd2=(r1*r2)/(r1+r2);
+rac2=rcd2+r3;
+rab2=(rac2*r4)/(rac2+r4);
+
+Reff2=rab2+r5;//Effective resistance in case 2
+
+I2=V2/Reff2; // Current from the 4V source
+
+Iab2=I2*(rac2/(rac2+r4)); //Current in AB from 4V source
+
+Iab=Iab1+Iab2;// Combined Current in AB from both the sources 
+
+disp('amperes',Iab,'The Current through AB (2 ohm resistor) =')
-- 
cgit