From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 284/CH3/EX3.9/ex_9.sce | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100755 284/CH3/EX3.9/ex_9.sce

(limited to '284/CH3/EX3.9')

diff --git a/284/CH3/EX3.9/ex_9.sce b/284/CH3/EX3.9/ex_9.sce
new file mode 100755
index 000000000..0dbac7dfe
--- /dev/null
+++ b/284/CH3/EX3.9/ex_9.sce
@@ -0,0 +1,10 @@
+// Chapter 3_The Semiconductor in Equilibrium
+//Caption_Charge Neutrality
+//Ex_9//page 112
+T=300    //temperature in kelvin
+Nd=10^16   //donor concentration per cm cube
+Na=0
+ni=1.5*(10^10)  //intrinsic carrier concentration
+no=((Nd-Na)/2)+(((Nd-Na)/2)^2+ni^2)^0.5
+po=ni^2/no;
+printf('The majority carrier electron concentration is %fd per cm cube while the minority carrier hole concentration is %fd per cm cube',no,po)
\ No newline at end of file
-- 
cgit