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author | priyanka | 2015-06-24 15:03:17 +0530 |
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committer | priyanka | 2015-06-24 15:03:17 +0530 |
commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2912/CH6/EX6.3/Ex6_3.sce | |
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-rwxr-xr-x | 2912/CH6/EX6.3/Ex6_3.sce | 14 |
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diff --git a/2912/CH6/EX6.3/Ex6_3.sce b/2912/CH6/EX6.3/Ex6_3.sce new file mode 100755 index 000000000..1d6db1895 --- /dev/null +++ b/2912/CH6/EX6.3/Ex6_3.sce @@ -0,0 +1,14 @@ +//chapter 6
+//example 6.3
+//Calculate relaxation time of conduction electrons
+//page 147
+clear;
+clc;
+//given
+n=5.8E28; // in 1/m^3 (density of electron)
+m=9.1E-31; // in Kg (mass of electron)
+e=1.6E-19; // in C (charge of electron)
+p=1.54E-8; // in ohm-m (resistivity)
+//calculate
+t=m/(n*e^2*p); // calculation of relaxation time
+printf('\nThe relaxation time of conduction electrons is %1.2E sec',t);
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