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

---
 1952/CH7/EX7.18/Ex7_18.sce | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100755 1952/CH7/EX7.18/Ex7_18.sce

(limited to '1952/CH7/EX7.18/Ex7_18.sce')

diff --git a/1952/CH7/EX7.18/Ex7_18.sce b/1952/CH7/EX7.18/Ex7_18.sce
new file mode 100755
index 000000000..c637ae928
--- /dev/null
+++ b/1952/CH7/EX7.18/Ex7_18.sce
@@ -0,0 +1,8 @@
+// chapter 7 , Example7.18 , pg 217
+ni=1.5*10^16     //intrinsic  carrier  density(in m^-3)
+Un=0.13     //electron mobility   (in m^2/(V*s))
+up=0.05     //hole mobility   (in m^2/(V*s))
+e=1.6*10^-19    //charge in electron (in C)
+sigma=ni*e*(Un+up)    // electrical conductivity
+printf("Electrical conductivity\n")
+printf("sigma=%.6f   (ohm*m)^-1",sigma)
-- 
cgit