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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/CH7/EX7.7 | |
| 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 '2912/CH7/EX7.7')
| -rwxr-xr-x | 2912/CH7/EX7.7/Ex7_7.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/2912/CH7/EX7.7/Ex7_7.sce b/2912/CH7/EX7.7/Ex7_7.sce new file mode 100755 index 000000000..474407ad6 --- /dev/null +++ b/2912/CH7/EX7.7/Ex7_7.sce @@ -0,0 +1,17 @@ +//chapter 7
+//example 7.7
+//Calculate the dielectric constant of the material
+//page 190
+clear;
+clc;
+//given
+N=3E28; // in atoms/m^3 (density of atoms)
+alpha_e=1E-40; // in F-m^2 (electronic polarisability)
+Eo=8.85E-12; // in F/m (absolute permittivity)
+//calculate
+// Since (Er-1)/(Er+2)=N*alpha_e/(3*Eo)
+// therefore we have
+Er=(2*(N*alpha_e/(3*Eo))+1)/(1-(N*alpha_e/(3*Eo)));
+ // calculation of dielectric constant of the material
+printf('\nThe dielectric constant of the material is \tEr=%.3f F/m',Er);
+// NOTE: The answer in the book is wrong due to calculation mistake
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