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 --- 3428/CH19/EX12.19.7/Ex12_19_7.sce | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 3428/CH19/EX12.19.7/Ex12_19_7.sce (limited to '3428/CH19/EX12.19.7/Ex12_19_7.sce') diff --git a/3428/CH19/EX12.19.7/Ex12_19_7.sce b/3428/CH19/EX12.19.7/Ex12_19_7.sce new file mode 100644 index 000000000..265ee50bb --- /dev/null +++ b/3428/CH19/EX12.19.7/Ex12_19_7.sce @@ -0,0 +1,14 @@ +//Section-12,Example-7,Page no.-SS.61 +//To find the no.of charge carriers essential to get te given conductivity and the no. of Antimony dopant atoms to be added to germanium. +clc; +C=100 +e=1.6*10^-19 +u_e=2800 +N_D=C/(e*u_e) +disp(N_D,'No.of charge carriers essential to get the given conductivity(per cm^3)') +a=5.658*10^-8 +V=a^3 +N_Sb=2.23*10^17 +N_Ge=8/V +N=N_Sb/N_Ge +disp(N,'No. of Antimony dopant atoms to be added to germanium(ppm)'). -- cgit