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 --- 377/CH9/EX9.3/9_3.sce | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 377/CH9/EX9.3/9_3.sce (limited to '377/CH9/EX9.3/9_3.sce') diff --git a/377/CH9/EX9.3/9_3.sce b/377/CH9/EX9.3/9_3.sce new file mode 100644 index 000000000..e889c0d54 --- /dev/null +++ b/377/CH9/EX9.3/9_3.sce @@ -0,0 +1,28 @@ +a=1000; //say a=μe +Vt=0.0258; +c=300; //say c=μh +Dn=a*Vt; +Dp=c*Vt; +printf('\n The value of Dn is %f cm^2/V-s',Dn); +printf('\n The value of Dp is %f cm^2/V-s',Dp); +ni=10^10; +Na=10^16; +Nd=4*10^16; +np0=ni^2/Na; +pn0=ni^2/Nd; +printf('\n The value of np0 is %f cm^-3',np0); +printf('\n The value of pn0 is %f cm^-3',pn0); +tn=10^-5; +tp=10^-5; +Ln=sqrt(Dn*tn); +Lp=sqrt(Dp*tp); +f=Ln*10^-2; +g=Lp*10^-2; +printf('\n The value of Ln is %fm',f); +printf('\n The value of Lp is %fm',g); +disp("I=q*A*((Dn*np0/Ln)+(Dp*pn0/Lp))*exp((Va/Vt)-1);"); +q=1.6; +A=10^4; +Va=0.6; +I=q*A*3*((Dn*np0/f)+(Dp*pn0/g))*exp((Va/Vt)-1); +printf('\n The value of I is %f μA',I*10^-22); \ No newline at end of file -- cgit