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Diffstat (limited to '2198/CH1/EX1.40.17/Ex1_40_17.sce')
| -rwxr-xr-x | 2198/CH1/EX1.40.17/Ex1_40_17.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/2198/CH1/EX1.40.17/Ex1_40_17.sce b/2198/CH1/EX1.40.17/Ex1_40_17.sce new file mode 100755 index 000000000..096537950 --- /dev/null +++ b/2198/CH1/EX1.40.17/Ex1_40_17.sce @@ -0,0 +1,16 @@ +//Ex 1.40.17
+clc;clear;close;
+format('v',9);
+
+//Given :
+q=1.6*10^-19;//Coulomb
+Dn=35;//cm^2/s
+x=[0 2];//micro meter
+n=[10^17 6*10^16];//per cm^3
+plot(x,n);
+title('n Vs x');
+xlabel('x(micro meter)');
+ylabel('n(electrons per cm^3)');
+dnBYdx=(n(2)-n(1))/(x(2)-x(1))/10^-4;//gradient
+Jn=q*Dn*dnBYdx;//A/cm^2
+disp(Jn,"Current density(A/cm^2) : ");
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