diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1730/CH2/EX2.5 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1730/CH2/EX2.5')
| -rwxr-xr-x | 1730/CH2/EX2.5/Exa2_5.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/1730/CH2/EX2.5/Exa2_5.sce b/1730/CH2/EX2.5/Exa2_5.sce new file mode 100755 index 000000000..c65585e52 --- /dev/null +++ b/1730/CH2/EX2.5/Exa2_5.sce @@ -0,0 +1,17 @@ +//Exa5
+clc;
+clear;
+close;
+//given data :
+rho=1.54*10^-8; //in ohm-meter
+//since sigma=1/roh
+sigma=1/rho;
+n=5.8*10^28 ; //unit less
+e=1.6*10^-19; //in C (electron charge)
+m=9.1*10^-31;//in kg (mass of electron)
+//(i) Relaxation time
+toh=(sigma*m)/(n*e^2);
+disp("(i) Relaxation time of electrons is : "+string(toh)+" seconds");
+//(ii) Mobility of electrons,
+miu_e=(e*toh)/m;
+disp("(ii) Mobility of electrons is : "+string(miu_e)+" m^2/V-s");
|