updated the code

1 files changed, 8 insertions, 8 deletions

diff --git a/3428/CH19/EX12.19.7/Ex12_19_7.sce b/3428/CH19/EX12.19.7/Ex12_19_7.sce
index 265ee50bb..3bfe06170 100644
--- a/3428/CH19/EX12.19.7/Ex12_19_7.sce
+++ b/3428/CH19/EX12.19.7/Ex12_19_7.sce
@@ -1,14 +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

+C=100                        //ohm^-1cm^-1

+e=1.6*10^-19                          //C

+u_e=2800                         //cm^-1V^-1sec^-1

 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

+a=5.658*10^-8                         //cm

+V=a^3                       //cm^3

+N_Sb=2.23*10^17                 //No. of Sb atoms per cm^3

+N_Ge=8/V                              //No. of atoms of Ge 

 N=N_Sb/N_Ge

-disp(N,'No. of Antimony dopant atoms to be added to germanium(ppm)').

+disp(N,'No. of Antimony dopant atoms to be added to germanium(ppm)')