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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /3492/CH5/EX5.18/Ex5_18.sce | |
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initial commit / add all books
Diffstat (limited to '3492/CH5/EX5.18/Ex5_18.sce')
| -rw-r--r-- | 3492/CH5/EX5.18/Ex5_18.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3492/CH5/EX5.18/Ex5_18.sce b/3492/CH5/EX5.18/Ex5_18.sce new file mode 100644 index 000000000..da69b5af2 --- /dev/null +++ b/3492/CH5/EX5.18/Ex5_18.sce @@ -0,0 +1,23 @@ +clc
+//Chapter5
+//Ex_18
+//Given
+phi_m=4.28 //in eV
+e=1.6*10^-19 // in coulombs
+X=4.01 //in eV
+kT=0.026 // in eV
+Vf=0.1// in V
+T=300//in kelvin
+Be=30 //A/K2/cm2
+A=0.01 //cm2
+//part(a)
+phi_B=phi_m-X
+disp(phi_B,"Theoretical barrier height in eV")
+//part(b)
+phi_B=0.5 //in eV
+Io=A*Be*T^2*exp(-phi_B/kT)
+disp(Io*10^6,"Saturation current in micro amperes is")
+//let/E=e*Vf //in eV
+E=0.1 //in eV
+If=Io*(exp((E/kT))-1)
+disp(If*10^3,"Forward current in milli amperes is")
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