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

---
 3754/CH10/EX10.12/10_12.sce | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 3754/CH10/EX10.12/10_12.sce

(limited to '3754/CH10/EX10.12/10_12.sce')

diff --git a/3754/CH10/EX10.12/10_12.sce b/3754/CH10/EX10.12/10_12.sce
new file mode 100644
index 000000000..52ef0e5f1
--- /dev/null
+++ b/3754/CH10/EX10.12/10_12.sce
@@ -0,0 +1,20 @@
+clear//
+
+//Variables
+
+d = 0.001                      //diameter (in meter)
+ND = 10**20                    //Number of phosphorus ions (in per cubic-meter)
+R = 1000                       //Resistance (in ohm)
+un = 0.1                       //mobility (in meter-square per volt-second)
+q = 1.6 * 10**-19              //charge on electron (in Coulomb)
+
+//Calculation
+
+n = ND                         //Number of free electron (in per cubic-meter)
+sig = q*n*un                   //conductivity (in Siemen per meter)
+A = %pi * d**2 / 4         //Area of cross section (in meter-square)
+l = R * sig * A                //length (in meter) 
+
+//Result
+
+printf("\n Length of the silicon would be  %0.3f  mm.",l*1000)
-- 
cgit