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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 /1538/CH18/EX18.3 | |
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initial commit / add all books
Diffstat (limited to '1538/CH18/EX18.3')
| -rwxr-xr-x | 1538/CH18/EX18.3/Ex18_3.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1538/CH18/EX18.3/Ex18_3.sce b/1538/CH18/EX18.3/Ex18_3.sce new file mode 100755 index 000000000..b8084d620 --- /dev/null +++ b/1538/CH18/EX18.3/Ex18_3.sce @@ -0,0 +1,21 @@ +//example-18.3
+//page no- 537
+//given
+//conductivity of material
+sigma=0.018 // per ohm m
+//no of electrons
+n=10^19 //electrons/m^3
+//voltage
+V=0.16 //V
+//thickness of material
+t=0.29*10^-3 //m
+//mass and charge of electron
+m=9.1*10^-31 //kg
+e=1.602*10^-19 //C
+//electric feilf gradient
+kie=V/t //V/m
+//as we know that
+//sigma=n*e*vd/kie
+//so v
+vd=sigma*kie/n/e //m/s
+printf ("drift velocity of carriers is %f m/s",vd)
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