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 --- 273/CH18/EX18.7/ex18_7.sce | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100755 273/CH18/EX18.7/ex18_7.sce (limited to '273/CH18/EX18.7/ex18_7.sce') diff --git a/273/CH18/EX18.7/ex18_7.sce b/273/CH18/EX18.7/ex18_7.sce new file mode 100755 index 000000000..fb75eadbd --- /dev/null +++ b/273/CH18/EX18.7/ex18_7.sce @@ -0,0 +1,14 @@ +clc;clear; +//Example 18.7 +//calculation of hole concentration + +//given values +ni=2.4*10^19;//carrier concentration per m^3 +N=4*10^28;//concentration of ge atoms per m^3 + +//calculation +ND=N/10^6;//donor cocntrtn +n=ND;//no of electrones + +p=ni^2/n; +disp(p,'concentartion of holes per m^3 is'); \ No newline at end of file -- cgit