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Diffstat (limited to '3507/CH2/EX2.1/Ex2_1.sce')
| -rw-r--r-- | 3507/CH2/EX2.1/Ex2_1.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3507/CH2/EX2.1/Ex2_1.sce b/3507/CH2/EX2.1/Ex2_1.sce new file mode 100644 index 000000000..74fdbe589 --- /dev/null +++ b/3507/CH2/EX2.1/Ex2_1.sce @@ -0,0 +1,17 @@ +//chapter 2
+//example 2.1
+//page 29
+
+A=60.2d4 // ampere per square m per square kelvin
+T=2500 // kelvin
+phi=4.517 // eV
+d=0.01d-2 // m
+l=5d-2 // m
+
+b=11600*phi
+Js=A*T^2*exp(-b/T)
+a=%pi*d*l
+
+emission_current=Js*a
+
+printf("emission current=%f A",emission_current)
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